388538456

素因数分解:

$2^3\times {\mathrm{1213}}^1\times {\mathrm{40039}}^1$

素因数の和:41258

約数の個数: 16

約数和(自身を含む): 729128400

約数和(自身を除く): 340589944

約数列:

[1, 2, 4, 8, 1213, 2426, 4852, 9704, 40039, 80078, 160156, 320312, 48567307, 97134614, 194269228, 388538456]

約数ペア:

[(1, 388538456), (2, 194269228), (4, 97134614), (8, 48567307), (1213, 320312), (2426, 160156), (4852, 80078), (9704, 40039)]