128771864

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{359}}^1\times {\mathrm{3449}}^1$

素因数の和:3827

約数の個数: 32

約数和(自身を含む): 260820000

約数和(自身を除く): 132048136

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 359, 718, 1436, 2872, 3449, 4667, 6898, 9334, 13796, 18668, 27592, 37336, 44837, 89674, 179348, 358696, 1238191, 2476382, 4952764, 9905528, 16096483, 32192966, 64385932, 128771864]

約数ペア:

[(1, 128771864), (2, 64385932), (4, 32192966), (8, 16096483), (13, 9905528), (26, 4952764), (52, 2476382), (104, 1238191), (359, 358696), (718, 179348), (1436, 89674), (2872, 44837), (3449, 37336), (4667, 27592), (6898, 18668), (9334, 13796)]