421728038

素因数分解:

$2^1\times {\mathrm{131}}^1\times {\mathrm{571}}^1\times {\mathrm{2819}}^1$

素因数の和:3523

約数の個数: 16

約数和(自身を含む): 638763840

約数和(自身を除く): 217035802

約数列:

[1, 2, 131, 262, 571, 1142, 2819, 5638, 74801, 149602, 369289, 738578, 1609649, 3219298, 210864019, 421728038]

約数ペア:

[(1, 421728038), (2, 210864019), (131, 3219298), (262, 1609649), (571, 738578), (1142, 369289), (2819, 149602), (5638, 74801)]