28257684

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{113}}^1\times {\mathrm{229}}^1$

素因数の和:369

約数の個数: 96

約数和(自身を含む): 82225920

約数和(自身を除く): 53968236

約数列:

[1, 2, 3, 4, 6, 7, 12, 13, 14, 21, 26, 28, 39, 42, 52, 78, 84, 91, 113, 156, 182, 226, 229, 273, 339, 364, 452, 458, 546, 678, 687, 791, 916, 1092, 1356, 1374, 1469, 1582, 1603, 2373, 2748, 2938, 2977, 3164, 3206, 4407, 4746, 4809, 5876, 5954, 6412, 8814, 8931, 9492, 9618, 10283, 11908, 17628, 17862, 19236, 20566, 20839, 25877, 30849, 35724, 41132, 41678, 51754, 61698, 62517, 77631, 83356, 103508, 123396, 125034, 155262, 181139, 250068, 310524, 336401, 362278, 543417, 672802, 724556, 1009203, 1086834, 1345604, 2018406, 2173668, 2354807, 4036812, 4709614, 7064421, 9419228, 14128842, 28257684]

約数ペア:

[(1, 28257684), (2, 14128842), (3, 9419228), (4, 7064421), (6, 4709614), (7, 4036812), (12, 2354807), (13, 2173668), (14, 2018406), (21, 1345604), (26, 1086834), (28, 1009203), (39, 724556), (42, 672802), (52, 543417), (78, 362278), (84, 336401), (91, 310524), (113, 250068), (156, 181139), (182, 155262), (226, 125034), (229, 123396), (273, 103508), (339, 83356), (364, 77631), (452, 62517), (458, 61698), (546, 51754), (678, 41678), (687, 41132), (791, 35724), (916, 30849), (1092, 25877), (1356, 20839), (1374, 20566), (1469, 19236), (1582, 17862), (1603, 17628), (2373, 11908), (2748, 10283), (2938, 9618), (2977, 9492), (3164, 8931), (3206, 8814), (4407, 6412), (4746, 5954), (4809, 5876)]