38790521

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{73}}^1\times {\mathrm{103}}^1$

素因数の和:261

約数の個数: 32

約数和(自身を含む): 50239488

約数和(自身を除く): 11448967

約数列:

[1, 7, 11, 67, 73, 77, 103, 469, 511, 721, 737, 803, 1133, 4891, 5159, 5621, 6901, 7519, 7931, 34237, 48307, 52633, 53801, 75911, 82709, 376607, 503773, 531377, 578963, 3526411, 5541503, 38790521]

約数ペア:

[(1, 38790521), (7, 5541503), (11, 3526411), (67, 578963), (73, 531377), (77, 503773), (103, 376607), (469, 82709), (511, 75911), (721, 53801), (737, 52633), (803, 48307), (1133, 34237), (4891, 7931), (5159, 7519), (5621, 6901)]