180428521

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{101}}^1\times {\mathrm{293}}^1$

素因数の和:481

約数の個数: 32

約数和(自身を含む): 228388608

約数和(自身を除く): 47960087

約数列:

[1, 7, 13, 67, 91, 101, 293, 469, 707, 871, 1313, 2051, 3809, 6097, 6767, 9191, 19631, 26663, 29593, 47369, 87971, 137417, 207151, 255203, 384709, 615797, 1786421, 1982731, 2692963, 13879117, 25775503, 180428521]

約数ペア:

[(1, 180428521), (7, 25775503), (13, 13879117), (67, 2692963), (91, 1982731), (101, 1786421), (293, 615797), (469, 384709), (707, 255203), (871, 207151), (1313, 137417), (2051, 87971), (3809, 47369), (6097, 29593), (6767, 26663), (9191, 19631)]