243949664

素因数分解:

$2^5\times 7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^2$

素因数の和:153

約数の個数: 144

約数和(自身を含む): 610606080

約数和(自身を除く): 366656416

約数列:

[1, 2, 4, 7, 8, 14, 16, 19, 28, 31, 32, 38, 43, 56, 62, 76, 86, 112, 124, 133, 152, 172, 217, 224, 248, 266, 301, 304, 344, 434, 496, 532, 589, 602, 608, 688, 817, 868, 992, 1064, 1178, 1204, 1333, 1376, 1634, 1736, 1849, 2128, 2356, 2408, 2666, 3268, 3472, 3698, 4123, 4256, 4712, 4816, 5332, 5719, 6536, 6944, 7396, 8246, 9331, 9424, 9632, 10664, 11438, 12943, 13072, 14792, 16492, 18662, 18848, 21328, 22876, 25327, 25886, 26144, 29584, 32984, 35131, 37324, 42656, 45752, 50654, 51772, 57319, 59168, 65968, 70262, 74648, 91504, 101308, 103544, 114638, 131936, 140524, 149296, 177289, 183008, 202616, 207088, 229276, 245917, 281048, 298592, 354578, 401233, 405232, 414176, 458552, 491834, 562096, 709156, 802466, 810464, 917104, 983668, 1089061, 1124192, 1418312, 1604932, 1834208, 1967336, 2178122, 2836624, 3209864, 3934672, 4356244, 5673248, 6419728, 7623427, 7869344, 8712488, 12839456, 15246854, 17424976, 30493708, 34849952, 60987416, 121974832, 243949664]

約数ペア:

[(1, 243949664), (2, 121974832), (4, 60987416), (7, 34849952), (8, 30493708), (14, 17424976), (16, 15246854), (19, 12839456), (28, 8712488), (31, 7869344), (32, 7623427), (38, 6419728), (43, 5673248), (56, 4356244), (62, 3934672), (76, 3209864), (86, 2836624), (112, 2178122), (124, 1967336), (133, 1834208), (152, 1604932), (172, 1418312), (217, 1124192), (224, 1089061), (248, 983668), (266, 917104), (301, 810464), (304, 802466), (344, 709156), (434, 562096), (496, 491834), (532, 458552), (589, 414176), (602, 405232), (608, 401233), (688, 354578), (817, 298592), (868, 281048), (992, 245917), (1064, 229276), (1178, 207088), (1204, 202616), (1333, 183008), (1376, 177289), (1634, 149296), (1736, 140524), (1849, 131936), (2128, 114638), (2356, 103544), (2408, 101308), (2666, 91504), (3268, 74648), (3472, 70262), (3698, 65968), (4123, 59168), (4256, 57319), (4712, 51772), (4816, 50654), (5332, 45752), (5719, 42656), (6536, 37324), (6944, 35131), (7396, 32984), (8246, 29584), (9331, 26144), (9424, 25886), (9632, 25327), (10664, 22876), (11438, 21328), (12943, 18848), (13072, 18662), (14792, 16492)]