2580438

素因数分解:

$2^1\times 3^1\times 7^2\times {\mathrm{67}}^1\times {\mathrm{131}}^1$

素因数の和:217

約数の個数: 48

約数和(自身を含む): 6139584

約数和(自身を除く): 3559146

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 49, 67, 98, 131, 134, 147, 201, 262, 294, 393, 402, 469, 786, 917, 938, 1407, 1834, 2751, 2814, 3283, 5502, 6419, 6566, 8777, 9849, 12838, 17554, 19257, 19698, 26331, 38514, 52662, 61439, 122878, 184317, 368634, 430073, 860146, 1290219, 2580438]

約数ペア:

[(1, 2580438), (2, 1290219), (3, 860146), (6, 430073), (7, 368634), (14, 184317), (21, 122878), (42, 61439), (49, 52662), (67, 38514), (98, 26331), (131, 19698), (134, 19257), (147, 17554), (201, 12838), (262, 9849), (294, 8777), (393, 6566), (402, 6419), (469, 5502), (786, 3283), (917, 2814), (938, 2751), (1407, 1834)]