68977825

素因数分解:

$5^2\times 7^1\times {\mathrm{613}}^1\times {\mathrm{643}}^1$

素因数の和:1273

約数の個数: 24

約数和(自身を含む): 98063168

約数和(自身を除く): 29085343

約数列:

[1, 5, 7, 25, 35, 175, 613, 643, 3065, 3215, 4291, 4501, 15325, 16075, 21455, 22505, 107275, 112525, 394159, 1970795, 2759113, 9853975, 13795565, 68977825]

約数ペア:

[(1, 68977825), (5, 13795565), (7, 9853975), (25, 2759113), (35, 1970795), (175, 394159), (613, 112525), (643, 107275), (3065, 22505), (3215, 21455), (4291, 16075), (4501, 15325)]