1994201728

素因数分解:

$2^7\times {\mathrm{17}}^2\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1$

素因数の和:163

約数の個数: 192

約数和(自身を含む): 4569338880

約数和(自身を除く): 2575137152

約数列:

[1, 2, 4, 8, 16, 17, 31, 32, 34, 37, 47, 62, 64, 68, 74, 94, 124, 128, 136, 148, 188, 248, 272, 289, 296, 376, 496, 527, 544, 578, 592, 629, 752, 799, 992, 1054, 1088, 1147, 1156, 1184, 1258, 1457, 1504, 1598, 1739, 1984, 2108, 2176, 2294, 2312, 2368, 2516, 2914, 3008, 3196, 3478, 3968, 4216, 4588, 4624, 4736, 5032, 5828, 6016, 6392, 6956, 8432, 8959, 9176, 9248, 10064, 10693, 11656, 12784, 13583, 13912, 16864, 17918, 18352, 18496, 19499, 20128, 21386, 23312, 24769, 25568, 27166, 27824, 29563, 33728, 35836, 36704, 36992, 38998, 40256, 42772, 46624, 49538, 51136, 53909, 54332, 55648, 59126, 67456, 71672, 73408, 77996, 80512, 85544, 93248, 99076, 102272, 107818, 108664, 111296, 118252, 143344, 146816, 155992, 171088, 186496, 198152, 215636, 217328, 222592, 236504, 286688, 311984, 331483, 342176, 396304, 421073, 431272, 434656, 473008, 502571, 573376, 623968, 662966, 684352, 792608, 842146, 862544, 869312, 916453, 946016, 1005142, 1146752, 1247936, 1325932, 1368704, 1585216, 1684292, 1725088, 1738624, 1832906, 1892032, 2010284, 2495872, 2651864, 3170432, 3368584, 3450176, 3665812, 3784064, 4020568, 5303728, 6737168, 6900352, 7331624, 8041136, 10607456, 13474336, 14663248, 15579701, 16082272, 21214912, 26948672, 29326496, 31159402, 32164544, 42429824, 53897344, 58652992, 62318804, 64329088, 117305984, 124637608, 249275216, 498550432, 997100864, 1994201728]

約数ペア:

[(1, 1994201728), (2, 997100864), (4, 498550432), (8, 249275216), (16, 124637608), (17, 117305984), (31, 64329088), (32, 62318804), (34, 58652992), (37, 53897344), (47, 42429824), (62, 32164544), (64, 31159402), (68, 29326496), (74, 26948672), (94, 21214912), (124, 16082272), (128, 15579701), (136, 14663248), (148, 13474336), (188, 10607456), (248, 8041136), (272, 7331624), (289, 6900352), (296, 6737168), (376, 5303728), (496, 4020568), (527, 3784064), (544, 3665812), (578, 3450176), (592, 3368584), (629, 3170432), (752, 2651864), (799, 2495872), (992, 2010284), (1054, 1892032), (1088, 1832906), (1147, 1738624), (1156, 1725088), (1184, 1684292), (1258, 1585216), (1457, 1368704), (1504, 1325932), (1598, 1247936), (1739, 1146752), (1984, 1005142), (2108, 946016), (2176, 916453), (2294, 869312), (2312, 862544), (2368, 842146), (2516, 792608), (2914, 684352), (3008, 662966), (3196, 623968), (3478, 573376), (3968, 502571), (4216, 473008), (4588, 434656), (4624, 431272), (4736, 421073), (5032, 396304), (5828, 342176), (6016, 331483), (6392, 311984), (6956, 286688), (8432, 236504), (8959, 222592), (9176, 217328), (9248, 215636), (10064, 198152), (10693, 186496), (11656, 171088), (12784, 155992), (13583, 146816), (13912, 143344), (16864, 118252), (17918, 111296), (18352, 108664), (18496, 107818), (19499, 102272), (20128, 99076), (21386, 93248), (23312, 85544), (24769, 80512), (25568, 77996), (27166, 73408), (27824, 71672), (29563, 67456), (33728, 59126), (35836, 55648), (36704, 54332), (36992, 53909), (38998, 51136), (40256, 49538), (42772, 46624)]