221489718

素因数分解:

$2^1\times 3^1\times {\mathrm{113}}^1\times {\mathrm{326681}}^1$

素因数の和:326799

約数の個数: 16

約数和(自身を含む): 446900976

約数和(自身を除く): 225411258

約数列:

[1, 2, 3, 6, 113, 226, 339, 678, 326681, 653362, 980043, 1960086, 36914953, 73829906, 110744859, 221489718]

約数ペア:

[(1, 221489718), (2, 110744859), (3, 73829906), (6, 36914953), (113, 1960086), (226, 980043), (339, 653362), (678, 326681)]