291284

素因数分解:

$2^2\times 7^1\times {\mathrm{101}}^1\times {\mathrm{103}}^1$

素因数の和:215

約数の個数: 24

約数和(自身を含む): 594048

約数和(自身を除く): 302764

約数列:

[1, 2, 4, 7, 14, 28, 101, 103, 202, 206, 404, 412, 707, 721, 1414, 1442, 2828, 2884, 10403, 20806, 41612, 72821, 145642, 291284]

約数ペア:

[(1, 291284), (2, 145642), (4, 72821), (7, 41612), (14, 20806), (28, 10403), (101, 2884), (103, 2828), (202, 1442), (206, 1414), (404, 721), (412, 707)]