218214978

素因数分解:

$2^1\times 3^1\times {\mathrm{113}}^1\times {\mathrm{321851}}^1$

素因数の和:321969

約数の個数: 16

約数和(自身を含む): 440293536

約数和(自身を除く): 222078558

約数列:

[1, 2, 3, 6, 113, 226, 339, 678, 321851, 643702, 965553, 1931106, 36369163, 72738326, 109107489, 218214978]

約数ペア:

[(1, 218214978), (2, 109107489), (3, 72738326), (6, 36369163), (113, 1931106), (226, 965553), (339, 643702), (678, 321851)]