281567156

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{521}}^1\times {\mathrm{547}}^1$

素因数の和:1104

約数の個数: 48

約数和(自身を含む): 560669760

約数和(自身を除く): 279102604

約数列:

[1, 2, 4, 13, 19, 26, 38, 52, 76, 247, 494, 521, 547, 988, 1042, 1094, 2084, 2188, 6773, 7111, 9899, 10393, 13546, 14222, 19798, 20786, 27092, 28444, 39596, 41572, 128687, 135109, 257374, 270218, 284987, 514748, 540436, 569974, 1139948, 3704831, 5414753, 7409662, 10829506, 14819324, 21659012, 70391789, 140783578, 281567156]

約数ペア:

[(1, 281567156), (2, 140783578), (4, 70391789), (13, 21659012), (19, 14819324), (26, 10829506), (38, 7409662), (52, 5414753), (76, 3704831), (247, 1139948), (494, 569974), (521, 540436), (547, 514748), (988, 284987), (1042, 270218), (1094, 257374), (2084, 135109), (2188, 128687), (6773, 41572), (7111, 39596), (9899, 28444), (10393, 27092), (13546, 20786), (14222, 19798)]