28811118

素因数分解:

$2^1\times 3^1\times 7^2\times {\mathrm{43}}^2\times {\mathrm{53}}^1$

素因数の和:158

約数の個数: 72

約数和(自身を含む): 69919848

約数和(自身を除く): 41108730

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 43, 49, 53, 86, 98, 106, 129, 147, 159, 258, 294, 301, 318, 371, 602, 742, 903, 1113, 1806, 1849, 2107, 2226, 2279, 2597, 3698, 4214, 4558, 5194, 5547, 6321, 6837, 7791, 11094, 12642, 12943, 13674, 15582, 15953, 25886, 31906, 38829, 47859, 77658, 90601, 95718, 97997, 111671, 181202, 195994, 223342, 271803, 293991, 335013, 543606, 587982, 670026, 685979, 1371958, 2057937, 4115874, 4801853, 9603706, 14405559, 28811118]

約数ペア:

[(1, 28811118), (2, 14405559), (3, 9603706), (6, 4801853), (7, 4115874), (14, 2057937), (21, 1371958), (42, 685979), (43, 670026), (49, 587982), (53, 543606), (86, 335013), (98, 293991), (106, 271803), (129, 223342), (147, 195994), (159, 181202), (258, 111671), (294, 97997), (301, 95718), (318, 90601), (371, 77658), (602, 47859), (742, 38829), (903, 31906), (1113, 25886), (1806, 15953), (1849, 15582), (2107, 13674), (2226, 12943), (2279, 12642), (2597, 11094), (3698, 7791), (4214, 6837), (4558, 6321), (5194, 5547)]