661892218

素因数分解:

$2^1\times {\mathrm{13}}^2\times {\mathrm{157}}^1\times {\mathrm{12473}}^1$

素因数の和:12658

約数の個数: 24

約数和(自身を含む): 1082019708

約数和(自身を除く): 420127490

約数列:

[1, 2, 13, 26, 157, 169, 314, 338, 2041, 4082, 12473, 24946, 26533, 53066, 162149, 324298, 1958261, 2107937, 3916522, 4215874, 25457393, 50914786, 330946109, 661892218]

約数ペア:

[(1, 661892218), (2, 330946109), (13, 50914786), (26, 25457393), (157, 4215874), (169, 3916522), (314, 2107937), (338, 1958261), (2041, 324298), (4082, 162149), (12473, 53066), (24946, 26533)]