7921228

素因数分解:

$2^2\times 7^1\times {\mathrm{101}}^1\times {\mathrm{2801}}^1$

素因数の和:2913

約数の個数: 24

約数和(自身を含む): 16005024

約数和(自身を除く): 8083796

約数列:

[1, 2, 4, 7, 14, 28, 101, 202, 404, 707, 1414, 2801, 2828, 5602, 11204, 19607, 39214, 78428, 282901, 565802, 1131604, 1980307, 3960614, 7921228]

約数ペア:

[(1, 7921228), (2, 3960614), (4, 1980307), (7, 1131604), (14, 565802), (28, 282901), (101, 78428), (202, 39214), (404, 19607), (707, 11204), (1414, 5602), (2801, 2828)]