64738793456

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{163}}^1\times {\mathrm{13127}}^1$

素因数の和:13390

約数の個数: 80

約数和(自身を含む): 132417619968

約数和(自身を除く): 67678826512

約数列:

[1, 2, 4, 8, 16, 31, 61, 62, 122, 124, 163, 244, 248, 326, 488, 496, 652, 976, 1304, 1891, 2608, 3782, 5053, 7564, 9943, 10106, 13127, 15128, 19886, 20212, 26254, 30256, 39772, 40424, 52508, 79544, 80848, 105016, 159088, 210032, 308233, 406937, 616466, 800747, 813874, 1232932, 1601494, 1627748, 2139701, 2465864, 3202988, 3255496, 4279402, 4931728, 6405976, 6510992, 8558804, 12811952, 17117608, 24823157, 34235216, 49646314, 66330731, 99292628, 130521761, 132661462, 198585256, 261043522, 265322924, 397170512, 522087044, 530645848, 1044174088, 1061291696, 2088348176, 4046174591, 8092349182, 16184698364, 32369396728, 64738793456]

約数ペア:

[(1, 64738793456), (2, 32369396728), (4, 16184698364), (8, 8092349182), (16, 4046174591), (31, 2088348176), (61, 1061291696), (62, 1044174088), (122, 530645848), (124, 522087044), (163, 397170512), (244, 265322924), (248, 261043522), (326, 198585256), (488, 132661462), (496, 130521761), (652, 99292628), (976, 66330731), (1304, 49646314), (1891, 34235216), (2608, 24823157), (3782, 17117608), (5053, 12811952), (7564, 8558804), (9943, 6510992), (10106, 6405976), (13127, 4931728), (15128, 4279402), (19886, 3255496), (20212, 3202988), (26254, 2465864), (30256, 2139701), (39772, 1627748), (40424, 1601494), (52508, 1232932), (79544, 813874), (80848, 800747), (105016, 616466), (159088, 406937), (210032, 308233)]