199811245

素因数分解:

$5^1\times {\mathrm{41}}^1\times {\mathrm{103}}^1\times {\mathrm{9463}}^1$

素因数の和:9612

約数の個数: 16

約数和(自身を含む): 248032512

約数和(自身を除く): 48221267

約数列:

[1, 5, 41, 103, 205, 515, 4223, 9463, 21115, 47315, 387983, 974689, 1939915, 4873445, 39962249, 199811245]

約数ペア:

[(1, 199811245), (5, 39962249), (41, 4873445), (103, 1939915), (205, 974689), (515, 387983), (4223, 47315), (9463, 21115)]