128748055

素因数分解:

$5^1\times {\mathrm{17}}^2\times {\mathrm{139}}^1\times {\mathrm{641}}^1$

素因数の和:819

約数の個数: 24

約数和(自身を含む): 165558960

約数和(自身を除く): 36810905

約数列:

[1, 5, 17, 85, 139, 289, 641, 695, 1445, 2363, 3205, 10897, 11815, 40171, 54485, 89099, 185249, 200855, 445495, 926245, 1514683, 7573415, 25749611, 128748055]

約数ペア:

[(1, 128748055), (5, 25749611), (17, 7573415), (85, 1514683), (139, 926245), (289, 445495), (641, 200855), (695, 185249), (1445, 89099), (2363, 54485), (3205, 40171), (10897, 11815)]