209772556

素因数分解:

$2^2\times 7^1\times {\mathrm{101}}^1\times {\mathrm{74177}}^1$

素因数の和:74289

約数の個数: 24

約数和(自身を含む): 423704736

約数和(自身を除く): 213932180

約数列:

[1, 2, 4, 7, 14, 28, 101, 202, 404, 707, 1414, 2828, 74177, 148354, 296708, 519239, 1038478, 2076956, 7491877, 14983754, 29967508, 52443139, 104886278, 209772556]

約数ペア:

[(1, 209772556), (2, 104886278), (4, 52443139), (7, 29967508), (14, 14983754), (28, 7491877), (101, 2076956), (202, 1038478), (404, 519239), (707, 296708), (1414, 148354), (2828, 74177)]