397853008

素因数分解:

$2^4\times 7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{163}}^1$

素因数の和:265

約数の個数: 160

約数和(自身を含む): 989143040

約数和(自身を除く): 591290032

約数列:

[1, 2, 4, 7, 8, 14, 16, 19, 28, 31, 37, 38, 56, 62, 74, 76, 112, 124, 133, 148, 152, 163, 217, 248, 259, 266, 296, 304, 326, 434, 496, 518, 532, 589, 592, 652, 703, 868, 1036, 1064, 1141, 1147, 1178, 1304, 1406, 1736, 2072, 2128, 2282, 2294, 2356, 2608, 2812, 3097, 3472, 4123, 4144, 4564, 4588, 4712, 4921, 5053, 5624, 6031, 6194, 8029, 8246, 9128, 9176, 9424, 9842, 10106, 11248, 12062, 12388, 16058, 16492, 18256, 18352, 19684, 20212, 21679, 21793, 24124, 24776, 32116, 32984, 35371, 39368, 40424, 42217, 43358, 43586, 48248, 49552, 64232, 65968, 70742, 78736, 80848, 84434, 86716, 87172, 96007, 96496, 114589, 128464, 141484, 152551, 168868, 173432, 174344, 186961, 192014, 229178, 282968, 305102, 337736, 346864, 348688, 373922, 384028, 458356, 565936, 610204, 672049, 675472, 747844, 768056, 802123, 916712, 1220408, 1308727, 1344098, 1495688, 1536112, 1604246, 1833424, 2440816, 2617454, 2688196, 2991376, 3208492, 3552259, 5234908, 5376392, 6416984, 7104518, 10469816, 10752784, 12833968, 14209036, 20939632, 24865813, 28418072, 49731626, 56836144, 99463252, 198926504, 397853008]

約数ペア:

[(1, 397853008), (2, 198926504), (4, 99463252), (7, 56836144), (8, 49731626), (14, 28418072), (16, 24865813), (19, 20939632), (28, 14209036), (31, 12833968), (37, 10752784), (38, 10469816), (56, 7104518), (62, 6416984), (74, 5376392), (76, 5234908), (112, 3552259), (124, 3208492), (133, 2991376), (148, 2688196), (152, 2617454), (163, 2440816), (217, 1833424), (248, 1604246), (259, 1536112), (266, 1495688), (296, 1344098), (304, 1308727), (326, 1220408), (434, 916712), (496, 802123), (518, 768056), (532, 747844), (589, 675472), (592, 672049), (652, 610204), (703, 565936), (868, 458356), (1036, 384028), (1064, 373922), (1141, 348688), (1147, 346864), (1178, 337736), (1304, 305102), (1406, 282968), (1736, 229178), (2072, 192014), (2128, 186961), (2282, 174344), (2294, 173432), (2356, 168868), (2608, 152551), (2812, 141484), (3097, 128464), (3472, 114589), (4123, 96496), (4144, 96007), (4564, 87172), (4588, 86716), (4712, 84434), (4921, 80848), (5053, 78736), (5624, 70742), (6031, 65968), (6194, 64232), (8029, 49552), (8246, 48248), (9128, 43586), (9176, 43358), (9424, 42217), (9842, 40424), (10106, 39368), (11248, 35371), (12062, 32984), (12388, 32116), (16058, 24776), (16492, 24124), (18256, 21793), (18352, 21679), (19684, 20212)]