161777917

素因数分解:

$7^1\times {\mathrm{61}}^2\times {\mathrm{6211}}^1$

素因数の和:6340

約数の個数: 12

約数和(自身を含む): 187999968

約数和(自身を除く): 26222051

約数列:

[1, 7, 61, 427, 3721, 6211, 26047, 43477, 378871, 2652097, 23111131, 161777917]

約数ペア:

[(1, 161777917), (7, 23111131), (61, 2652097), (427, 378871), (3721, 43477), (6211, 26047)]