28091394

素因数分解:

$2^1\times 3^3\times {\mathrm{31}}^1\times {\mathrm{97}}^1\times {\mathrm{173}}^1$

素因数の和:312

約数の個数: 64

約数和(自身を含む): 65479680

約数和(自身を除く): 37388286

約数列:

[1, 2, 3, 6, 9, 18, 27, 31, 54, 62, 93, 97, 173, 186, 194, 279, 291, 346, 519, 558, 582, 837, 873, 1038, 1557, 1674, 1746, 2619, 3007, 3114, 4671, 5238, 5363, 6014, 9021, 9342, 10726, 16089, 16781, 18042, 27063, 32178, 33562, 48267, 50343, 54126, 81189, 96534, 100686, 144801, 151029, 162378, 289602, 302058, 453087, 520211, 906174, 1040422, 1560633, 3121266, 4681899, 9363798, 14045697, 28091394]

約数ペア:

[(1, 28091394), (2, 14045697), (3, 9363798), (6, 4681899), (9, 3121266), (18, 1560633), (27, 1040422), (31, 906174), (54, 520211), (62, 453087), (93, 302058), (97, 289602), (173, 162378), (186, 151029), (194, 144801), (279, 100686), (291, 96534), (346, 81189), (519, 54126), (558, 50343), (582, 48267), (837, 33562), (873, 32178), (1038, 27063), (1557, 18042), (1674, 16781), (1746, 16089), (2619, 10726), (3007, 9342), (3114, 9021), (4671, 6014), (5238, 5363)]