4243745

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{131}}^1$

素因数の和:197

約数の個数: 32

約数和(自身を含む): 6082560

約数和(自身を除く): 1838815

約数列:

[1, 5, 11, 19, 31, 55, 95, 131, 155, 209, 341, 589, 655, 1045, 1441, 1705, 2489, 2945, 4061, 6479, 7205, 12445, 20305, 27379, 32395, 44671, 77159, 136895, 223355, 385795, 848749, 4243745]

約数ペア:

[(1, 4243745), (5, 848749), (11, 385795), (19, 223355), (31, 136895), (55, 77159), (95, 44671), (131, 32395), (155, 27379), (209, 20305), (341, 12445), (589, 7205), (655, 6479), (1045, 4061), (1441, 2945), (1705, 2489)]