254461256

素因数分解:

$2^3\times 7^1\times {\mathrm{61}}^1\times {\mathrm{163}}^1\times {\mathrm{457}}^1$

素因数の和:694

約数の個数: 64

約数和(自身を含む): 558833280

約数和(自身を除く): 304372024

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 61, 122, 163, 244, 326, 427, 457, 488, 652, 854, 914, 1141, 1304, 1708, 1828, 2282, 3199, 3416, 3656, 4564, 6398, 9128, 9943, 12796, 19886, 25592, 27877, 39772, 55754, 69601, 74491, 79544, 111508, 139202, 148982, 195139, 223016, 278404, 297964, 390278, 521437, 556808, 595928, 780556, 1042874, 1561112, 2085748, 4171496, 4543951, 9087902, 18175804, 31807657, 36351608, 63615314, 127230628, 254461256]

約数ペア:

[(1, 254461256), (2, 127230628), (4, 63615314), (7, 36351608), (8, 31807657), (14, 18175804), (28, 9087902), (56, 4543951), (61, 4171496), (122, 2085748), (163, 1561112), (244, 1042874), (326, 780556), (427, 595928), (457, 556808), (488, 521437), (652, 390278), (854, 297964), (914, 278404), (1141, 223016), (1304, 195139), (1708, 148982), (1828, 139202), (2282, 111508), (3199, 79544), (3416, 74491), (3656, 69601), (4564, 55754), (6398, 39772), (9128, 27877), (9943, 25592), (12796, 19886)]