648734356

素因数分解:

$2^2\times {\mathrm{73}}^1\times {\mathrm{113}}^1\times {\mathrm{19661}}^1$

素因数の和:19851

約数の個数: 24

約数和(自身を含む): 1161080424

約数和(自身を除く): 512346068

約数列:

[1, 2, 4, 73, 113, 146, 226, 292, 452, 8249, 16498, 19661, 32996, 39322, 78644, 1435253, 2221693, 2870506, 4443386, 5741012, 8886772, 162183589, 324367178, 648734356]

約数ペア:

[(1, 648734356), (2, 324367178), (4, 162183589), (73, 8886772), (113, 5741012), (146, 4443386), (226, 2870506), (292, 2221693), (452, 1435253), (8249, 78644), (16498, 39322), (19661, 32996)]