1223439620

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{4705537}}^1$

素因数の和:4705559

約数の個数: 24

約数和(自身を含む): 2766856344

約数和(自身を除く): 1543416724

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 4705537, 9411074, 18822148, 23527685, 47055370, 61171981, 94110740, 122343962, 244687924, 305859905, 611719810, 1223439620]

約数ペア:

[(1, 1223439620), (2, 611719810), (4, 305859905), (5, 244687924), (10, 122343962), (13, 94110740), (20, 61171981), (26, 47055370), (52, 23527685), (65, 18822148), (130, 9411074), (260, 4705537)]