123981302

素因数分解:

$2^1\times {\mathrm{37}}^1\times {\mathrm{59}}^1\times {\mathrm{73}}^1\times {\mathrm{389}}^1$

素因数の和:560

約数の個数: 32

約数和(自身を含む): 197402400

約数和(自身を除く): 73421098

約数列:

[1, 2, 37, 59, 73, 74, 118, 146, 389, 778, 2183, 2701, 4307, 4366, 5402, 8614, 14393, 22951, 28397, 28786, 45902, 56794, 159359, 318718, 849187, 1050689, 1675423, 1698374, 2101378, 3350846, 61990651, 123981302]

約数ペア:

[(1, 123981302), (2, 61990651), (37, 3350846), (59, 2101378), (73, 1698374), (74, 1675423), (118, 1050689), (146, 849187), (389, 318718), (778, 159359), (2183, 56794), (2701, 45902), (4307, 28786), (4366, 28397), (5402, 22951), (8614, 14393)]