51557872

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{109}}^1$

素因数の和:218

約数の個数: 80

約数和(自身を含む): 111957120

約数和(自身を除く): 60399248

約数列:

[1, 2, 4, 8, 16, 17, 34, 37, 47, 68, 74, 94, 109, 136, 148, 188, 218, 272, 296, 376, 436, 592, 629, 752, 799, 872, 1258, 1598, 1739, 1744, 1853, 2516, 3196, 3478, 3706, 4033, 5032, 5123, 6392, 6956, 7412, 8066, 10064, 10246, 12784, 13912, 14824, 16132, 20492, 27824, 29563, 29648, 32264, 40984, 59126, 64528, 68561, 81968, 87091, 118252, 137122, 174182, 189551, 236504, 274244, 348364, 379102, 473008, 548488, 696728, 758204, 1096976, 1393456, 1516408, 3032816, 3222367, 6444734, 12889468, 25778936, 51557872]

約数ペア:

[(1, 51557872), (2, 25778936), (4, 12889468), (8, 6444734), (16, 3222367), (17, 3032816), (34, 1516408), (37, 1393456), (47, 1096976), (68, 758204), (74, 696728), (94, 548488), (109, 473008), (136, 379102), (148, 348364), (188, 274244), (218, 236504), (272, 189551), (296, 174182), (376, 137122), (436, 118252), (592, 87091), (629, 81968), (752, 68561), (799, 64528), (872, 59126), (1258, 40984), (1598, 32264), (1739, 29648), (1744, 29563), (1853, 27824), (2516, 20492), (3196, 16132), (3478, 14824), (3706, 13912), (4033, 12784), (5032, 10246), (5123, 10064), (6392, 8066), (6956, 7412)]