218219414

素因数分解:

$2^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{421273}}^1$

素因数の和:421319

約数の個数: 16

約数和(自身を含む): 384201888

約数和(自身を除く): 165982474

約数列:

[1, 2, 7, 14, 37, 74, 259, 518, 421273, 842546, 2948911, 5897822, 15587101, 31174202, 109109707, 218219414]

約数ペア:

[(1, 218219414), (2, 109109707), (7, 31174202), (14, 15587101), (37, 5897822), (74, 2948911), (259, 842546), (518, 421273)]