221989326

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{91807}}^1$

素因数の和:91856

約数の個数: 32

約数和(自身を含む): 493559808

約数和(自身を除く): 271570482

約数列:

[1, 2, 3, 6, 13, 26, 31, 39, 62, 78, 93, 186, 403, 806, 1209, 2418, 91807, 183614, 275421, 550842, 1193491, 2386982, 2846017, 3580473, 5692034, 7160946, 8538051, 17076102, 36998221, 73996442, 110994663, 221989326]

約数ペア:

[(1, 221989326), (2, 110994663), (3, 73996442), (6, 36998221), (13, 17076102), (26, 8538051), (31, 7160946), (39, 5692034), (62, 3580473), (78, 2846017), (93, 2386982), (186, 1193491), (403, 550842), (806, 275421), (1209, 183614), (2418, 91807)]