520001170

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{307693}}^1$

素因数の和:307726

約数の個数: 24

約数和(自身を含む): 1013544036

約数和(自身を除く): 493542866

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 169, 338, 845, 1690, 307693, 615386, 1538465, 3076930, 4000009, 8000018, 20000045, 40000090, 52000117, 104000234, 260000585, 520001170]

約数ペア:

[(1, 520001170), (2, 260000585), (5, 104000234), (10, 52000117), (13, 40000090), (26, 20000045), (65, 8000018), (130, 4000009), (169, 3076930), (338, 1538465), (845, 615386), (1690, 307693)]