12811876168

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{29879}}^1$

素因数の和:29955

約数の個数: 128

約数和(自身を含む): 32126976000

約数和(自身を除く): 19315099832

約数列:

[1, 2, 4, 7, 8, 13, 14, 19, 26, 28, 31, 38, 52, 56, 62, 76, 91, 104, 124, 133, 152, 182, 217, 247, 248, 266, 364, 403, 434, 494, 532, 589, 728, 806, 868, 988, 1064, 1178, 1612, 1729, 1736, 1976, 2356, 2821, 3224, 3458, 4123, 4712, 5642, 6916, 7657, 8246, 11284, 13832, 15314, 16492, 22568, 29879, 30628, 32984, 53599, 59758, 61256, 107198, 119516, 209153, 214396, 239032, 388427, 418306, 428792, 567701, 776854, 836612, 926249, 1135402, 1553708, 1673224, 1852498, 2270804, 2718989, 3107416, 3704996, 3973907, 4541608, 5437978, 6483743, 7380113, 7409992, 7947814, 10875956, 12041237, 12967486, 14760226, 15895628, 17598731, 21751912, 24082474, 25934972, 29520452, 31791256, 35197462, 48164948, 51660791, 51869944, 59040904, 70394924, 84288659, 96329896, 103321582, 123191117, 140789848, 168577318, 206643164, 228783503, 246382234, 337154636, 413286328, 457567006, 492764468, 674309272, 915134012, 985528936, 1601484521, 1830268024, 3202969042, 6405938084, 12811876168]

約数ペア:

[(1, 12811876168), (2, 6405938084), (4, 3202969042), (7, 1830268024), (8, 1601484521), (13, 985528936), (14, 915134012), (19, 674309272), (26, 492764468), (28, 457567006), (31, 413286328), (38, 337154636), (52, 246382234), (56, 228783503), (62, 206643164), (76, 168577318), (91, 140789848), (104, 123191117), (124, 103321582), (133, 96329896), (152, 84288659), (182, 70394924), (217, 59040904), (247, 51869944), (248, 51660791), (266, 48164948), (364, 35197462), (403, 31791256), (434, 29520452), (494, 25934972), (532, 24082474), (589, 21751912), (728, 17598731), (806, 15895628), (868, 14760226), (988, 12967486), (1064, 12041237), (1178, 10875956), (1612, 7947814), (1729, 7409992), (1736, 7380113), (1976, 6483743), (2356, 5437978), (2821, 4541608), (3224, 3973907), (3458, 3704996), (4123, 3107416), (4712, 2718989), (5642, 2270804), (6916, 1852498), (7657, 1673224), (8246, 1553708), (11284, 1135402), (13832, 926249), (15314, 836612), (16492, 776854), (22568, 567701), (29879, 428792), (30628, 418306), (32984, 388427), (53599, 239032), (59758, 214396), (61256, 209153), (107198, 119516)]