156784205

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{24671}}^1$

素因数の和:24748

約数の個数: 16

約数和(自身を含む): 198955008

約数和(自身を除く): 42170803

約数列:

[1, 5, 31, 41, 155, 205, 1271, 6355, 24671, 123355, 764801, 1011511, 3824005, 5057555, 31356841, 156784205]

約数ペア:

[(1, 156784205), (5, 31356841), (31, 5057555), (41, 3824005), (155, 1011511), (205, 764801), (1271, 123355), (6355, 24671)]