639684

素因数分解:

$2^2\times 3^3\times {\mathrm{5923}}^1$

素因数の和:5936

約数の個数: 24

約数和(自身を含む): 1658720

約数和(自身を除く): 1019036

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 108, 5923, 11846, 17769, 23692, 35538, 53307, 71076, 106614, 159921, 213228, 319842, 639684]

約数ペア:

[(1, 639684), (2, 319842), (3, 213228), (4, 159921), (6, 106614), (9, 71076), (12, 53307), (18, 35538), (27, 23692), (36, 17769), (54, 11846), (108, 5923)]