726493820

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{214939}}^1$

素因数の和:214974

約数の個数: 36

約数和(自身を含む): 1652028840

約数和(自身を除く): 925535020

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 169, 260, 338, 676, 845, 1690, 3380, 214939, 429878, 859756, 1074695, 2149390, 2794207, 4298780, 5588414, 11176828, 13971035, 27942070, 36324691, 55884140, 72649382, 145298764, 181623455, 363246910, 726493820]

約数ペア:

[(1, 726493820), (2, 363246910), (4, 181623455), (5, 145298764), (10, 72649382), (13, 55884140), (20, 36324691), (26, 27942070), (52, 13971035), (65, 11176828), (130, 5588414), (169, 4298780), (260, 2794207), (338, 2149390), (676, 1074695), (845, 859756), (1690, 429878), (3380, 214939)]