421720473601

素因数分解:

$7^1\times {\mathrm{149}}^1\times {\mathrm{1279}}^1\times {\mathrm{316133}}^1$

素因数の和:317568

約数の個数: 16

約数和(自身を含む): 485581824000

約数和(自身を除く): 63861350399

約数列:

[1, 7, 149, 1043, 1279, 8953, 190571, 316133, 1333997, 2212931, 47103817, 329726719, 404334107, 2830338749, 60245781943, 421720473601]

約数ペア:

[(1, 421720473601), (7, 60245781943), (149, 2830338749), (1043, 404334107), (1279, 329726719), (8953, 47103817), (190571, 2212931), (316133, 1333997)]