640344372

素因数分解:

$2^2\times 3^1\times {\mathrm{17}}^1\times {\mathrm{3138943}}^1$

素因数の和:3138967

約数の個数: 24

約数和(自身を含む): 1582027776

約数和(自身を除く): 941683404

約数列:

[1, 2, 3, 4, 6, 12, 17, 34, 51, 68, 102, 204, 3138943, 6277886, 9416829, 12555772, 18833658, 37667316, 53362031, 106724062, 160086093, 213448124, 320172186, 640344372]

約数ペア:

[(1, 640344372), (2, 320172186), (3, 213448124), (4, 160086093), (6, 106724062), (12, 53362031), (17, 37667316), (34, 18833658), (51, 12555772), (68, 9416829), (102, 6277886), (204, 3138943)]