201998220118

素因数分解:

$2^1\times {\mathrm{43}}^1\times {\mathrm{2579}}^1\times {\mathrm{910747}}^1$

素因数の和:913371

約数の個数: 16

約数和(自身を含む): 310164338880

約数和(自身を除く): 108166118762

約数列:

[1, 2, 43, 86, 2579, 5158, 110897, 221794, 910747, 1821494, 39162121, 78324242, 2348816513, 4697633026, 100999110059, 201998220118]

約数ペア:

[(1, 201998220118), (2, 100999110059), (43, 4697633026), (86, 2348816513), (2579, 78324242), (5158, 39162121), (110897, 1821494), (221794, 910747)]