289164029

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{109}}^1\times {\mathrm{131}}^1\times {\mathrm{263}}^1$

素因数の和:521

約数の個数: 32

約数和(自身を含む): 367994880

約数和(自身を除く): 78830851

約数列:

[1, 7, 11, 77, 109, 131, 263, 763, 917, 1199, 1441, 1841, 2893, 8393, 10087, 14279, 20251, 28667, 34453, 99953, 157069, 200669, 241171, 315337, 378983, 1099483, 2207359, 2652881, 3755377, 26287639, 41309147, 289164029]

約数ペア:

[(1, 289164029), (7, 41309147), (11, 26287639), (77, 3755377), (109, 2652881), (131, 2207359), (263, 1099483), (763, 378983), (917, 315337), (1199, 241171), (1441, 200669), (1841, 157069), (2893, 99953), (8393, 34453), (10087, 28667), (14279, 20251)]