221765208

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{1320031}}^1$

素因数の和:1320047

約数の個数: 32

約数和(自身を含む): 633615360

約数和(自身を除く): 411850152

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 56, 84, 168, 1320031, 2640062, 3960093, 5280124, 7920186, 9240217, 10560248, 15840372, 18480434, 27720651, 31680744, 36960868, 55441302, 73921736, 110882604, 221765208]

約数ペア:

[(1, 221765208), (2, 110882604), (3, 73921736), (4, 55441302), (6, 36960868), (7, 31680744), (8, 27720651), (12, 18480434), (14, 15840372), (21, 10560248), (24, 9240217), (28, 7920186), (42, 5280124), (56, 3960093), (84, 2640062), (168, 1320031)]