28991572

素因数分解:

$2^2\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{89}}^1$

素因数の和:232

約数の個数: 48

約数和(自身を含む): 55157760

約数和(自身を除く): 26166188

約数列:

[1, 2, 4, 31, 37, 62, 71, 74, 89, 124, 142, 148, 178, 284, 356, 1147, 2201, 2294, 2627, 2759, 3293, 4402, 4588, 5254, 5518, 6319, 6586, 8804, 10508, 11036, 12638, 13172, 25276, 81437, 102083, 162874, 195889, 204166, 233803, 325748, 391778, 408332, 467606, 783556, 935212, 7247893, 14495786, 28991572]

約数ペア:

[(1, 28991572), (2, 14495786), (4, 7247893), (31, 935212), (37, 783556), (62, 467606), (71, 408332), (74, 391778), (89, 325748), (124, 233803), (142, 204166), (148, 195889), (178, 162874), (284, 102083), (356, 81437), (1147, 25276), (2201, 13172), (2294, 12638), (2627, 11036), (2759, 10508), (3293, 8804), (4402, 6586), (4588, 6319), (5254, 5518)]