1604885

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{239}}^1$

素因数の和:340

約数の個数: 16

約数和(自身を含む): 2073600

約数和(自身を除く): 468715

約数列:

[1, 5, 17, 79, 85, 239, 395, 1195, 1343, 4063, 6715, 18881, 20315, 94405, 320977, 1604885]

約数ペア:

[(1, 1604885), (5, 320977), (17, 94405), (79, 20315), (85, 18881), (239, 6715), (395, 4063), (1195, 1343)]