65408945

素因数分解:

$5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{211}}^1\times {\mathrm{521}}^1$

素因数の和:761

約数の個数: 32

約数和(自身を含む): 95613696

約数和(自身を除く): 30204751

約数列:

[1, 5, 7, 17, 35, 85, 119, 211, 521, 595, 1055, 1477, 2605, 3587, 3647, 7385, 8857, 17935, 18235, 25109, 44285, 61999, 109931, 125545, 309995, 549655, 769517, 1868827, 3847585, 9344135, 13081789, 65408945]

約数ペア:

[(1, 65408945), (5, 13081789), (7, 9344135), (17, 3847585), (35, 1868827), (85, 769517), (119, 549655), (211, 309995), (521, 125545), (595, 109931), (1055, 61999), (1477, 44285), (2605, 25109), (3587, 18235), (3647, 17935), (7385, 8857)]