661786021

素因数分解:

${\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{509}}^1\times {\mathrm{971}}^1$

素因数の和:1596

約数の個数: 16

約数和(自身を含む): 721768320

約数和(自身を除く): 59982299

約数列:

[1, 13, 103, 509, 971, 1339, 6617, 12623, 52427, 100013, 494239, 681551, 1300169, 6425107, 50906617, 661786021]

約数ペア:

[(1, 661786021), (13, 50906617), (103, 6425107), (509, 1300169), (971, 681551), (1339, 494239), (6617, 100013), (12623, 52427)]