128863931

素因数分解:

$7^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{7517}}^1$

素因数の和:7634

約数の個数: 16

約数和(自身を含む): 153968640

約数和(自身を除く): 25104709

約数列:

[1, 7, 31, 79, 217, 553, 2449, 7517, 17143, 52619, 233027, 593843, 1631189, 4156901, 18409133, 128863931]

約数ペア:

[(1, 128863931), (7, 18409133), (31, 4156901), (79, 1631189), (217, 593843), (553, 233027), (2449, 52619), (7517, 17143)]