664755754

素因数分解:

$2^1\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{63443}}^1$

素因数の和:63502

約数の個数: 24

約数和(自身を含む): 1114584192

約数和(自身を除く): 449828438

約数列:

[1, 2, 13, 26, 31, 62, 169, 338, 403, 806, 5239, 10478, 63443, 126886, 824759, 1649518, 1966733, 3933466, 10721867, 21443734, 25567529, 51135058, 332377877, 664755754]

約数ペア:

[(1, 664755754), (2, 332377877), (13, 51135058), (26, 25567529), (31, 21443734), (62, 10721867), (169, 3933466), (338, 1966733), (403, 1649518), (806, 824759), (5239, 126886), (10478, 63443)]