31997306

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{113}}^1\times {\mathrm{211}}^1$

素因数の和:398

約数の個数: 32

約数和(自身を含む): 53942976

約数和(自身を除く): 21945670

約数列:

[1, 2, 11, 22, 61, 113, 122, 211, 226, 422, 671, 1243, 1342, 2321, 2486, 4642, 6893, 12871, 13786, 23843, 25742, 47686, 75823, 141581, 151646, 262273, 283162, 524546, 1454423, 2908846, 15998653, 31997306]

約数ペア:

[(1, 31997306), (2, 15998653), (11, 2908846), (22, 1454423), (61, 524546), (113, 283162), (122, 262273), (211, 151646), (226, 141581), (422, 75823), (671, 47686), (1243, 25742), (1342, 23843), (2321, 13786), (2486, 12871), (4642, 6893)]