253658615

素因数分解:

$5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{103}}^1\times {\mathrm{4139}}^1$

素因数の和:4271

約数の個数: 32

約数和(自身を含む): 372003840

約数和(自身を除く): 118345225

約数列:

[1, 5, 7, 17, 35, 85, 103, 119, 515, 595, 721, 1751, 3605, 4139, 8755, 12257, 20695, 28973, 61285, 70363, 144865, 351815, 426317, 492541, 2131585, 2462705, 2984219, 7247389, 14921095, 36236945, 50731723, 253658615]

約数ペア:

[(1, 253658615), (5, 50731723), (7, 36236945), (17, 14921095), (35, 7247389), (85, 2984219), (103, 2462705), (119, 2131585), (515, 492541), (595, 426317), (721, 351815), (1751, 144865), (3605, 70363), (4139, 61285), (8755, 28973), (12257, 20695)]