31267730

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{12659}}^1$

素因数の和:12698

約数の個数: 32

約数和(自身を含む): 63806400

約数和(自身を除く): 32538670

約数列:

[1, 2, 5, 10, 13, 19, 26, 38, 65, 95, 130, 190, 247, 494, 1235, 2470, 12659, 25318, 63295, 126590, 164567, 240521, 329134, 481042, 822835, 1202605, 1645670, 2405210, 3126773, 6253546, 15633865, 31267730]

約数ペア:

[(1, 31267730), (2, 15633865), (5, 6253546), (10, 3126773), (13, 2405210), (19, 1645670), (26, 1202605), (38, 822835), (65, 481042), (95, 329134), (130, 240521), (190, 164567), (247, 126590), (494, 63295), (1235, 25318), (2470, 12659)]