638204524

素因数分解:

$2^2\times {\mathrm{41}}^1\times {\mathrm{1289}}^1\times {\mathrm{3019}}^1$

素因数の和:4353

約数の個数: 24

約数和(自身を含む): 1145365200

約数和(自身を除く): 507160676

約数列:

[1, 2, 4, 41, 82, 164, 1289, 2578, 3019, 5156, 6038, 12076, 52849, 105698, 123779, 211396, 247558, 495116, 3891491, 7782982, 15565964, 159551131, 319102262, 638204524]

約数ペア:

[(1, 638204524), (2, 319102262), (4, 159551131), (41, 15565964), (82, 7782982), (164, 3891491), (1289, 495116), (2578, 247558), (3019, 211396), (5156, 123779), (6038, 105698), (12076, 52849)]