205121819

素因数分解:

$7^1\times {\mathrm{53}}^1\times {\mathrm{59}}^1\times {\mathrm{9371}}^1$

素因数の和:9490

約数の個数: 16

約数和(自身を含む): 242922240

約数和(自身を除く): 37800421

約数列:

[1, 7, 53, 59, 371, 413, 3127, 9371, 21889, 65597, 496663, 552889, 3476641, 3870223, 29303117, 205121819]

約数ペア:

[(1, 205121819), (7, 29303117), (53, 3870223), (59, 3476641), (371, 552889), (413, 496663), (3127, 65597), (9371, 21889)]