278220229

素因数分解:

$7^1\times {\mathrm{29}}^1\times {\mathrm{457}}^1\times {\mathrm{2999}}^1$

素因数の和:3492

約数の個数: 16

約数和(自身を含む): 329760000

約数和(自身を除く): 51539771

約数列:

[1, 7, 29, 203, 457, 2999, 3199, 13253, 20993, 86971, 92771, 608797, 1370543, 9593801, 39745747, 278220229]

約数ペア:

[(1, 278220229), (7, 39745747), (29, 9593801), (203, 1370543), (457, 608797), (2999, 92771), (3199, 86971), (13253, 20993)]