1861415

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{359}}^1$

素因数の和:442

約数の個数: 16

約数和(自身を含む): 2410560

約数和(自身を除く): 549145

約数列:

[1, 5, 17, 61, 85, 305, 359, 1037, 1795, 5185, 6103, 21899, 30515, 109495, 372283, 1861415]

約数ペア:

[(1, 1861415), (5, 372283), (17, 109495), (61, 30515), (85, 21899), (305, 6103), (359, 5185), (1037, 1795)]