669346340

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{2574409}}^1$

素因数の和:2574431

約数の個数: 24

約数和(自身を含む): 1513753080

約数和(自身を除く): 844406740

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 2574409, 5148818, 10297636, 12872045, 25744090, 33467317, 51488180, 66934634, 133869268, 167336585, 334673170, 669346340]

約数ペア:

[(1, 669346340), (2, 334673170), (4, 167336585), (5, 133869268), (10, 66934634), (13, 51488180), (20, 33467317), (26, 25744090), (52, 12872045), (65, 10297636), (130, 5148818), (260, 2574409)]