249575425

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{509}}^1\times {\mathrm{1783}}^1$

素因数の和:2313

約数の個数: 24

約数和(自身を含む): 338460480

約数和(自身を除く): 88885055

約数列:

[1, 5, 11, 25, 55, 275, 509, 1783, 2545, 5599, 8915, 12725, 19613, 27995, 44575, 98065, 139975, 490325, 907547, 4537735, 9983017, 22688675, 49915085, 249575425]

約数ペア:

[(1, 249575425), (5, 49915085), (11, 22688675), (25, 9983017), (55, 4537735), (275, 907547), (509, 490325), (1783, 139975), (2545, 98065), (5599, 44575), (8915, 27995), (12725, 19613)]