28775124

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{89}}^1\times {\mathrm{1283}}^1$

素因数の和:1389

約数の個数: 72

約数和(自身を含む): 84127680

約数和(自身を除く): 55352556

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 89, 126, 178, 252, 267, 356, 534, 623, 801, 1068, 1246, 1283, 1602, 1869, 2492, 2566, 3204, 3738, 3849, 5132, 5607, 7476, 7698, 8981, 11214, 11547, 15396, 17962, 22428, 23094, 26943, 35924, 46188, 53886, 80829, 107772, 114187, 161658, 228374, 323316, 342561, 456748, 685122, 799309, 1027683, 1370244, 1598618, 2055366, 2397927, 3197236, 4110732, 4795854, 7193781, 9591708, 14387562, 28775124]

約数ペア:

[(1, 28775124), (2, 14387562), (3, 9591708), (4, 7193781), (6, 4795854), (7, 4110732), (9, 3197236), (12, 2397927), (14, 2055366), (18, 1598618), (21, 1370244), (28, 1027683), (36, 799309), (42, 685122), (63, 456748), (84, 342561), (89, 323316), (126, 228374), (178, 161658), (252, 114187), (267, 107772), (356, 80829), (534, 53886), (623, 46188), (801, 35924), (1068, 26943), (1246, 23094), (1283, 22428), (1602, 17962), (1869, 15396), (2492, 11547), (2566, 11214), (3204, 8981), (3738, 7698), (3849, 7476), (5132, 5607)]