81860015

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{307}}^1\times {\mathrm{3137}}^1$

素因数の和:3466

約数の個数: 16

約数和(自身を含む): 104382432

約数和(自身を除く): 22522417

約数列:

[1, 5, 17, 85, 307, 1535, 3137, 5219, 15685, 26095, 53329, 266645, 963059, 4815295, 16372003, 81860015]

約数ペア:

[(1, 81860015), (5, 16372003), (17, 4815295), (85, 963059), (307, 266645), (1535, 53329), (3137, 26095), (5219, 15685)]