128968705

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{107}}^1\times {\mathrm{223}}^1$

素因数の和:405

約数の個数: 32

約数和(自身を含む): 167215104

約数和(自身を除く): 38246399

約数列:

[1, 5, 23, 47, 107, 115, 223, 235, 535, 1081, 1115, 2461, 5029, 5129, 5405, 10481, 12305, 23861, 25145, 25645, 52405, 115667, 119305, 241063, 548803, 578335, 1121467, 1205315, 2744015, 5607335, 25793741, 128968705]

約数ペア:

[(1, 128968705), (5, 25793741), (23, 5607335), (47, 2744015), (107, 1205315), (115, 1121467), (223, 578335), (235, 548803), (535, 241063), (1081, 119305), (1115, 115667), (2461, 52405), (5029, 25645), (5129, 25145), (5405, 23861), (10481, 12305)]