399156685

素因数分解:

$5^1\times {\mathrm{17}}^3\times {\mathrm{16249}}^1$

素因数の和:16305

約数の個数: 16

約数和(自身を含む): 508950000

約数和(自身を除く): 109793315

約数列:

[1, 5, 17, 85, 289, 1445, 4913, 16249, 24565, 81245, 276233, 1381165, 4695961, 23479805, 79831337, 399156685]

約数ペア:

[(1, 399156685), (5, 79831337), (17, 23479805), (85, 4695961), (289, 1381165), (1445, 276233), (4913, 81245), (16249, 24565)]