291257137

素因数分解:

${\mathrm{19}}^1\times {\mathrm{157}}^1\times {\mathrm{251}}^1\times {\mathrm{389}}^1$

素因数の和:816

約数の個数: 16

約数和(自身を含む): 310564800

約数和(自身を除く): 19307663

約数列:

[1, 19, 157, 251, 389, 2983, 4769, 7391, 39407, 61073, 97639, 748733, 1160387, 1855141, 15329323, 291257137]

約数ペア:

[(1, 291257137), (19, 15329323), (157, 1855141), (251, 1160387), (389, 748733), (2983, 97639), (4769, 61073), (7391, 39407)]