1977777502

素因数分解:

$2^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{438143}}^1$

素因数の和:438243

約数の個数: 16

約数和(自身を含む): 3096801792

約数和(自身を除く): 1119024290

約数列:

[1, 2, 37, 61, 74, 122, 2257, 4514, 438143, 876286, 16211291, 26726723, 32422582, 53453446, 988888751, 1977777502]

約数ペア:

[(1, 1977777502), (2, 988888751), (37, 53453446), (61, 32422582), (74, 26726723), (122, 16211291), (2257, 876286), (4514, 438143)]