71385964

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{72253}}^1$

素因数の和:72289

約数の個数: 24

約数和(自身を含む): 141617840

約数和(自身を除く): 70231876

約数列:

[1, 2, 4, 13, 19, 26, 38, 52, 76, 247, 494, 988, 72253, 144506, 289012, 939289, 1372807, 1878578, 2745614, 3757156, 5491228, 17846491, 35692982, 71385964]

約数ペア:

[(1, 71385964), (2, 35692982), (4, 17846491), (13, 5491228), (19, 3757156), (26, 2745614), (38, 1878578), (52, 1372807), (76, 939289), (247, 289012), (494, 144506), (988, 72253)]