218539307

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{33107}}^1$

素因数の和:33178

約数の個数: 16

約数和(自身を含む): 266982912

約数和(自身を除く): 48443605

約数列:

[1, 7, 23, 41, 161, 287, 943, 6601, 33107, 231749, 761461, 1357387, 5330227, 9501709, 31219901, 218539307]

約数ペア:

[(1, 218539307), (7, 31219901), (23, 9501709), (41, 5330227), (161, 1357387), (287, 761461), (943, 231749), (6601, 33107)]