3991780

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{1181}}^1$

素因数の和:1216

約数の個数: 36

約数和(自身を含む): 9084852

約数和(自身を除く): 5093072

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 169, 260, 338, 676, 845, 1181, 1690, 2362, 3380, 4724, 5905, 11810, 15353, 23620, 30706, 61412, 76765, 153530, 199589, 307060, 399178, 798356, 997945, 1995890, 3991780]

約数ペア:

[(1, 3991780), (2, 1995890), (4, 997945), (5, 798356), (10, 399178), (13, 307060), (20, 199589), (26, 153530), (52, 76765), (65, 61412), (130, 30706), (169, 23620), (260, 15353), (338, 11810), (676, 5905), (845, 4724), (1181, 3380), (1690, 2362)]