31278401

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{401}}^1\times {\mathrm{1013}}^1$

素因数の和:1432

約数の個数: 16

約数和(自身を含む): 39132288

約数和(自身を除く): 7853887

約数列:

[1, 7, 11, 77, 401, 1013, 2807, 4411, 7091, 11143, 30877, 78001, 406213, 2843491, 4468343, 31278401]

約数ペア:

[(1, 31278401), (7, 4468343), (11, 2843491), (77, 406213), (401, 78001), (1013, 30877), (2807, 11143), (4411, 7091)]