218978098

素因数分解:

$2^1\times {\mathrm{139}}^1\times {\mathrm{421}}^1\times {\mathrm{1871}}^1$

素因数の和:2433

約数の個数: 16

約数和(自身を含む): 331793280

約数和(自身を除く): 112815182

約数列:

[1, 2, 139, 278, 421, 842, 1871, 3742, 58519, 117038, 260069, 520138, 787691, 1575382, 109489049, 218978098]

約数ペア:

[(1, 218978098), (2, 109489049), (139, 1575382), (278, 787691), (421, 520138), (842, 260069), (1871, 117038), (3742, 58519)]