138396752

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{665369}}^1$

素因数の和:665390

約数の個数: 20

約数和(自身を含む): 288770580

約数和(自身を除く): 150373828

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 665369, 1330738, 2661476, 5322952, 8649797, 10645904, 17299594, 34599188, 69198376, 138396752]

約数ペア:

[(1, 138396752), (2, 69198376), (4, 34599188), (8, 17299594), (13, 10645904), (16, 8649797), (26, 5322952), (52, 2661476), (104, 1330738), (208, 665369)]