137843575

素因数分解:

$5^2\times {\mathrm{19}}^1\times {\mathrm{521}}^1\times {\mathrm{557}}^1$

素因数の和:1107

約数の個数: 24

約数和(自身を含む): 180591120

約数和(自身を除く): 42747545

約数列:

[1, 5, 19, 25, 95, 475, 521, 557, 2605, 2785, 9899, 10583, 13025, 13925, 49495, 52915, 247475, 264575, 290197, 1450985, 5513743, 7254925, 27568715, 137843575]

約数ペア:

[(1, 137843575), (5, 27568715), (19, 7254925), (25, 5513743), (95, 1450985), (475, 290197), (521, 264575), (557, 247475), (2605, 52915), (2785, 49495), (9899, 13925), (10583, 13025)]