81004885

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{107}}^1\times {\mathrm{613}}^1$

素因数の和:757

約数の個数: 32

約数和(自身を含む): 111404160

約数和(自身を除く): 30399275

約数列:

[1, 5, 13, 19, 65, 95, 107, 247, 535, 613, 1235, 1391, 2033, 3065, 6955, 7969, 10165, 11647, 26429, 39845, 58235, 65591, 132145, 151411, 327955, 757055, 852683, 1246229, 4263415, 6231145, 16200977, 81004885]

約数ペア:

[(1, 81004885), (5, 16200977), (13, 6231145), (19, 4263415), (65, 1246229), (95, 852683), (107, 757055), (247, 327955), (535, 151411), (613, 132145), (1235, 65591), (1391, 58235), (2033, 39845), (3065, 26429), (6955, 11647), (7969, 10165)]