28557456

素因数分解:

$2^4\times 3^1\times {\mathrm{19}}^1\times {\mathrm{173}}^1\times {\mathrm{181}}^1$

素因数の和:384

約数の個数: 80

約数和(自身を含む): 78536640

約数和(自身を除く): 49979184

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 19, 24, 38, 48, 57, 76, 114, 152, 173, 181, 228, 304, 346, 362, 456, 519, 543, 692, 724, 912, 1038, 1086, 1384, 1448, 2076, 2172, 2768, 2896, 3287, 3439, 4152, 4344, 6574, 6878, 8304, 8688, 9861, 10317, 13148, 13756, 19722, 20634, 26296, 27512, 31313, 39444, 41268, 52592, 55024, 62626, 78888, 82536, 93939, 125252, 157776, 165072, 187878, 250504, 375756, 501008, 594947, 751512, 1189894, 1503024, 1784841, 2379788, 3569682, 4759576, 7139364, 9519152, 14278728, 28557456]

約数ペア:

[(1, 28557456), (2, 14278728), (3, 9519152), (4, 7139364), (6, 4759576), (8, 3569682), (12, 2379788), (16, 1784841), (19, 1503024), (24, 1189894), (38, 751512), (48, 594947), (57, 501008), (76, 375756), (114, 250504), (152, 187878), (173, 165072), (181, 157776), (228, 125252), (304, 93939), (346, 82536), (362, 78888), (456, 62626), (519, 55024), (543, 52592), (692, 41268), (724, 39444), (912, 31313), (1038, 27512), (1086, 26296), (1384, 20634), (1448, 19722), (2076, 13756), (2172, 13148), (2768, 10317), (2896, 9861), (3287, 8688), (3439, 8304), (4152, 6878), (4344, 6574)]