64811995

素因数分解:

$5^1\times {\mathrm{71}}^1\times {\mathrm{79}}^1\times {\mathrm{2311}}^1$

素因数の和:2466

約数の個数: 16

約数和(自身を含む): 79902720

約数和(自身を除く): 15090725

約数列:

[1, 5, 71, 79, 355, 395, 2311, 5609, 11555, 28045, 164081, 182569, 820405, 912845, 12962399, 64811995]

約数ペア:

[(1, 64811995), (5, 12962399), (71, 912845), (79, 820405), (355, 182569), (395, 164081), (2311, 28045), (5609, 11555)]