81342485

素因数分解:

$5^1\times 7^1\times {\mathrm{113}}^1\times {\mathrm{131}}^1\times {\mathrm{157}}^1$

素因数の和:413

約数の個数: 32

約数和(自身を含む): 114124032

約数和(自身を除く): 32781547

約数列:

[1, 5, 7, 35, 113, 131, 157, 565, 655, 785, 791, 917, 1099, 3955, 4585, 5495, 14803, 17741, 20567, 74015, 88705, 102835, 103621, 124187, 143969, 518105, 620935, 719845, 2324071, 11620355, 16268497, 81342485]

約数ペア:

[(1, 81342485), (5, 16268497), (7, 11620355), (35, 2324071), (113, 719845), (131, 620935), (157, 518105), (565, 143969), (655, 124187), (785, 103621), (791, 102835), (917, 88705), (1099, 74015), (3955, 20567), (4585, 17741), (5495, 14803)]