82458925

素因数分解:

$5^2\times {\mathrm{17}}^2\times {\mathrm{101}}^1\times {\mathrm{113}}^1$

素因数の和:258

約数の個数: 36

約数和(自身を含む): 110663676

約数和(自身を除く): 28204751

約数列:

[1, 5, 17, 25, 85, 101, 113, 289, 425, 505, 565, 1445, 1717, 1921, 2525, 2825, 7225, 8585, 9605, 11413, 29189, 32657, 42925, 48025, 57065, 145945, 163285, 194021, 285325, 729725, 816425, 970105, 3298357, 4850525, 16491785, 82458925]

約数ペア:

[(1, 82458925), (5, 16491785), (17, 4850525), (25, 3298357), (85, 970105), (101, 816425), (113, 729725), (289, 285325), (425, 194021), (505, 163285), (565, 145945), (1445, 57065), (1717, 48025), (1921, 42925), (2525, 32657), (2825, 29189), (7225, 11413), (8585, 9605)]