25778936

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{109}}^1$

素因数の和:216

約数の個数: 64

約数和(自身を含む): 54172800

約数和(自身を除く): 28393864

約数列:

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

約数ペア:

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