660548876

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{431}}^1\times {\mathrm{29473}}^1$

素因数の和:29921

約数の個数: 24

約数和(自身を含む): 1247811264

約数和(自身を除く): 587262388

約数列:

[1, 2, 4, 13, 26, 52, 431, 862, 1724, 5603, 11206, 22412, 29473, 58946, 117892, 383149, 766298, 1532596, 12702863, 25405726, 50811452, 165137219, 330274438, 660548876]

約数ペア:

[(1, 660548876), (2, 330274438), (4, 165137219), (13, 50811452), (26, 25405726), (52, 12702863), (431, 1532596), (862, 766298), (1724, 383149), (5603, 117892), (11206, 58946), (22412, 29473)]