28284564

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{4373}}^1$

素因数の和:4405

約数の個数: 72

約数和(自身を含む): 83770848

約数和(自身を除く): 55486284

約数列:

[1, 2, 3, 4, 6, 7, 11, 12, 14, 21, 22, 28, 33, 42, 44, 49, 66, 77, 84, 98, 132, 147, 154, 196, 231, 294, 308, 462, 539, 588, 924, 1078, 1617, 2156, 3234, 4373, 6468, 8746, 13119, 17492, 26238, 30611, 48103, 52476, 61222, 91833, 96206, 122444, 144309, 183666, 192412, 214277, 288618, 336721, 367332, 428554, 577236, 642831, 673442, 857108, 1010163, 1285662, 1346884, 2020326, 2357047, 2571324, 4040652, 4714094, 7071141, 9428188, 14142282, 28284564]

約数ペア:

[(1, 28284564), (2, 14142282), (3, 9428188), (4, 7071141), (6, 4714094), (7, 4040652), (11, 2571324), (12, 2357047), (14, 2020326), (21, 1346884), (22, 1285662), (28, 1010163), (33, 857108), (42, 673442), (44, 642831), (49, 577236), (66, 428554), (77, 367332), (84, 336721), (98, 288618), (132, 214277), (147, 192412), (154, 183666), (196, 144309), (231, 122444), (294, 96206), (308, 91833), (462, 61222), (539, 52476), (588, 48103), (924, 30611), (1078, 26238), (1617, 17492), (2156, 13119), (3234, 8746), (4373, 6468)]