131490828

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{521789}}^1$

素因数の和:521806

約数の個数: 36

約数和(自身を含む): 379863120

約数和(自身を除く): 248372292

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 252, 521789, 1043578, 1565367, 2087156, 3130734, 3652523, 4696101, 6261468, 7305046, 9392202, 10957569, 14610092, 18784404, 21915138, 32872707, 43830276, 65745414, 131490828]

約数ペア:

[(1, 131490828), (2, 65745414), (3, 43830276), (4, 32872707), (6, 21915138), (7, 18784404), (9, 14610092), (12, 10957569), (14, 9392202), (18, 7305046), (21, 6261468), (28, 4696101), (36, 3652523), (42, 3130734), (63, 2087156), (84, 1565367), (126, 1043578), (252, 521789)]