858401995

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{541}}^1\times {\mathrm{1697}}^1$

素因数の和:2271

約数の個数: 32

約数和(自身を含む): 1192729536

約数和(自身を除く): 334327541

約数列:

[1, 5, 11, 17, 55, 85, 187, 541, 935, 1697, 2705, 5951, 8485, 9197, 18667, 28849, 29755, 45985, 93335, 101167, 144245, 317339, 505835, 918077, 1586695, 4590385, 10098847, 15607309, 50494235, 78036545, 171680399, 858401995]

約数ペア:

[(1, 858401995), (5, 171680399), (11, 78036545), (17, 50494235), (55, 15607309), (85, 10098847), (187, 4590385), (541, 1586695), (935, 918077), (1697, 505835), (2705, 317339), (5951, 144245), (8485, 101167), (9197, 93335), (18667, 45985), (28849, 29755)]