640573344828

素因数分解:

$2^2\times 3^2\times {\mathrm{937}}^1\times {\mathrm{18990079}}^1$

素因数の和:18991026

約数の個数: 36

約数和(自身を含む): 1620955248640

約数和(自身を除く): 980381903812

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 937, 1874, 2811, 3748, 5622, 8433, 11244, 16866, 33732, 18990079, 37980158, 56970237, 75960316, 113940474, 170910711, 227880948, 341821422, 683642844, 17793704023, 35587408046, 53381112069, 71174816092, 106762224138, 160143336207, 213524448276, 320286672414, 640573344828]

約数ペア:

[(1, 640573344828), (2, 320286672414), (3, 213524448276), (4, 160143336207), (6, 106762224138), (9, 71174816092), (12, 53381112069), (18, 35587408046), (36, 17793704023), (937, 683642844), (1874, 341821422), (2811, 227880948), (3748, 170910711), (5622, 113940474), (8433, 75960316), (11244, 56970237), (16866, 37980158), (33732, 18990079)]