84879215

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{643}}^1\times {\mathrm{1553}}^1$

素因数の和:2218

約数の個数: 16

約数和(自身を含む): 108083808

約数和(自身を除く): 23204593

約数列:

[1, 5, 17, 85, 643, 1553, 3215, 7765, 10931, 26401, 54655, 132005, 998579, 4992895, 16975843, 84879215]

約数ペア:

[(1, 84879215), (5, 16975843), (17, 4992895), (85, 998579), (643, 132005), (1553, 54655), (3215, 26401), (7765, 10931)]