155391376

素因数分解:

$2^4\times 7^1\times {\mathrm{521}}^1\times {\mathrm{2663}}^1$

素因数の和:3199

約数の個数: 40

約数和(自身を含む): 344870784

約数和(自身を除く): 189479408

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 521, 1042, 2084, 2663, 3647, 4168, 5326, 7294, 8336, 10652, 14588, 18641, 21304, 29176, 37282, 42608, 58352, 74564, 149128, 298256, 1387423, 2774846, 5549692, 9711961, 11099384, 19423922, 22198768, 38847844, 77695688, 155391376]

約数ペア:

[(1, 155391376), (2, 77695688), (4, 38847844), (7, 22198768), (8, 19423922), (14, 11099384), (16, 9711961), (28, 5549692), (56, 2774846), (112, 1387423), (521, 298256), (1042, 149128), (2084, 74564), (2663, 58352), (3647, 42608), (4168, 37282), (5326, 29176), (7294, 21304), (8336, 18641), (10652, 14588)]