28456681

素因数分解:

${\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{137}}^1\times {\mathrm{821}}^1$

素因数の和:992

約数の個数: 16

約数和(自身を含む): 32669568

約数和(自身を除く): 4212887

約数列:

[1, 11, 23, 137, 253, 821, 1507, 3151, 9031, 18883, 34661, 112477, 207713, 1237247, 2586971, 28456681]

約数ペア:

[(1, 28456681), (11, 2586971), (23, 1237247), (137, 207713), (253, 112477), (821, 34661), (1507, 18883), (3151, 9031)]