248880401

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{1579}}^1$

素因数の和:1709

約数の個数: 32

約数和(自身を含む): 327628800

約数和(自身を除く): 78748399

約数列:

[1, 7, 11, 23, 77, 89, 161, 253, 623, 979, 1579, 1771, 2047, 6853, 11053, 14329, 17369, 22517, 36317, 121583, 140531, 157619, 254219, 399487, 983717, 1545841, 2796409, 3232213, 10820887, 22625491, 35554343, 248880401]

約数ペア:

[(1, 248880401), (7, 35554343), (11, 22625491), (23, 10820887), (77, 3232213), (89, 2796409), (161, 1545841), (253, 983717), (623, 399487), (979, 254219), (1579, 157619), (1771, 140531), (2047, 121583), (6853, 36317), (11053, 22517), (14329, 17369)]