65021345

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{79}}^1\times {\mathrm{421}}^1$

素因数の和:545

約数の個数: 32

約数和(自身を含む): 87505920

約数和(自身を除く): 22484575

約数列:

[1, 5, 17, 23, 79, 85, 115, 391, 395, 421, 1343, 1817, 1955, 2105, 6715, 7157, 9085, 9683, 30889, 33259, 35785, 48415, 154445, 164611, 166295, 565403, 764957, 823055, 2827015, 3824785, 13004269, 65021345]

約数ペア:

[(1, 65021345), (5, 13004269), (17, 3824785), (23, 2827015), (79, 823055), (85, 764957), (115, 565403), (391, 166295), (395, 164611), (421, 154445), (1343, 48415), (1817, 35785), (1955, 33259), (2105, 30889), (6715, 9683), (7157, 9085)]