211653956

素因数分解:

$2^2\times {\mathrm{79}}^1\times {\mathrm{669791}}^1$

素因数の和:669874

約数の個数: 12

約数和(自身を含む): 375083520

約数和(自身を除く): 163429564

約数列:

[1, 2, 4, 79, 158, 316, 669791, 1339582, 2679164, 52913489, 105826978, 211653956]

約数ペア:

[(1, 211653956), (2, 105826978), (4, 52913489), (79, 2679164), (158, 1339582), (316, 669791)]