128704225

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{131}}^1\times {\mathrm{3023}}^1$

素因数の和:3177

約数の個数: 24

約数和(自身を含む): 173238912

約数和(自身を除く): 44534687

約数列:

[1, 5, 13, 25, 65, 131, 325, 655, 1703, 3023, 3275, 8515, 15115, 39299, 42575, 75575, 196495, 396013, 982475, 1980065, 5148169, 9900325, 25740845, 128704225]

約数ペア:

[(1, 128704225), (5, 25740845), (13, 9900325), (25, 5148169), (65, 1980065), (131, 982475), (325, 396013), (655, 196495), (1703, 75575), (3023, 42575), (3275, 39299), (8515, 15115)]