28123986

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{97}}^1\times {\mathrm{191}}^1$

素因数の和:327

約数の個数: 64

約数和(自身を含む): 65028096

約数和(自身を除く): 36904110

約数列:

[1, 2, 3, 6, 11, 22, 23, 33, 46, 66, 69, 97, 138, 191, 194, 253, 291, 382, 506, 573, 582, 759, 1067, 1146, 1518, 2101, 2134, 2231, 3201, 4202, 4393, 4462, 6303, 6402, 6693, 8786, 12606, 13179, 13386, 18527, 24541, 26358, 37054, 48323, 49082, 55581, 73623, 96646, 111162, 144969, 147246, 203797, 289938, 407594, 426121, 611391, 852242, 1222782, 1278363, 2556726, 4687331, 9374662, 14061993, 28123986]

約数ペア:

[(1, 28123986), (2, 14061993), (3, 9374662), (6, 4687331), (11, 2556726), (22, 1278363), (23, 1222782), (33, 852242), (46, 611391), (66, 426121), (69, 407594), (97, 289938), (138, 203797), (191, 147246), (194, 144969), (253, 111162), (291, 96646), (382, 73623), (506, 55581), (573, 49082), (582, 48323), (759, 37054), (1067, 26358), (1146, 24541), (1518, 18527), (2101, 13386), (2134, 13179), (2231, 12606), (3201, 8786), (4202, 6693), (4393, 6402), (4462, 6303)]