289791112

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{163909}}^1$

素因数の和:163945

約数の個数: 32

約数和(自身を含む): 619579800

約数和(自身を除く): 329788688

約数列:

[1, 2, 4, 8, 13, 17, 26, 34, 52, 68, 104, 136, 221, 442, 884, 1768, 163909, 327818, 655636, 1311272, 2130817, 2786453, 4261634, 5572906, 8523268, 11145812, 17046536, 22291624, 36223889, 72447778, 144895556, 289791112]

約数ペア:

[(1, 289791112), (2, 144895556), (4, 72447778), (8, 36223889), (13, 22291624), (17, 17046536), (26, 11145812), (34, 8523268), (52, 5572906), (68, 4261634), (104, 2786453), (136, 2130817), (221, 1311272), (442, 655636), (884, 327818), (1768, 163909)]