1618315

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{241}}^1$

素因数の和:342

約数の個数: 16

約数和(自身を含む): 2090880

約数和(自身を除く): 472565

約数列:

[1, 5, 17, 79, 85, 241, 395, 1205, 1343, 4097, 6715, 19039, 20485, 95195, 323663, 1618315]

約数ペア:

[(1, 1618315), (5, 323663), (17, 95195), (79, 20485), (85, 19039), (241, 6715), (395, 4097), (1205, 1343)]