67681915

素因数分解:

$5^1\times 7^1\times {\mathrm{109}}^1\times {\mathrm{113}}^1\times {\mathrm{157}}^1$

素因数の和:391

約数の個数: 32

約数和(自身を含む): 95103360

約数和(自身を除く): 27421445

約数列:

[1, 5, 7, 35, 109, 113, 157, 545, 565, 763, 785, 791, 1099, 3815, 3955, 5495, 12317, 17113, 17741, 61585, 85565, 86219, 88705, 119791, 124187, 431095, 598955, 620935, 1933769, 9668845, 13536383, 67681915]

約数ペア:

[(1, 67681915), (5, 13536383), (7, 9668845), (35, 1933769), (109, 620935), (113, 598955), (157, 431095), (545, 124187), (565, 119791), (763, 88705), (785, 86219), (791, 85565), (1099, 61585), (3815, 17741), (3955, 17113), (5495, 12317)]