217219782

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{229}}^1\times {\mathrm{12161}}^1$

素因数の和:12408

約数の個数: 32

約数和(自身を含む): 469939680

約数和(自身を除く): 252719898

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 229, 458, 687, 1374, 2977, 5954, 8931, 12161, 17862, 24322, 36483, 72966, 158093, 316186, 474279, 948558, 2784869, 5569738, 8354607, 16709214, 36203297, 72406594, 108609891, 217219782]

約数ペア:

[(1, 217219782), (2, 108609891), (3, 72406594), (6, 36203297), (13, 16709214), (26, 8354607), (39, 5569738), (78, 2784869), (229, 948558), (458, 474279), (687, 316186), (1374, 158093), (2977, 72966), (5954, 36483), (8931, 24322), (12161, 17862)]