217190898

素因数分解:

$2^1\times 3^2\times {\mathrm{31}}^1\times {\mathrm{389231}}^1$

素因数の和:389270

約数の個数: 24

約数和(自身を含む): 485761536

約数和(自身を除く): 268570638

約数列:

[1, 2, 3, 6, 9, 18, 31, 62, 93, 186, 279, 558, 389231, 778462, 1167693, 2335386, 3503079, 7006158, 12066161, 24132322, 36198483, 72396966, 108595449, 217190898]

約数ペア:

[(1, 217190898), (2, 108595449), (3, 72396966), (6, 36198483), (9, 24132322), (18, 12066161), (31, 7006158), (62, 3503079), (93, 2335386), (186, 1167693), (279, 778462), (558, 389231)]