28811286

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{251}}^1\times {\mathrm{911}}^1$

素因数の和:1177

約数の個数: 48

約数和(自身を含む): 71705088

約数和(自身を除く): 42893802

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 126, 251, 502, 753, 911, 1506, 1757, 1822, 2259, 2733, 3514, 4518, 5271, 5466, 6377, 8199, 10542, 12754, 15813, 16398, 19131, 31626, 38262, 57393, 114786, 228661, 457322, 685983, 1371966, 1600627, 2057949, 3201254, 4115898, 4801881, 9603762, 14405643, 28811286]

約数ペア:

[(1, 28811286), (2, 14405643), (3, 9603762), (6, 4801881), (7, 4115898), (9, 3201254), (14, 2057949), (18, 1600627), (21, 1371966), (42, 685983), (63, 457322), (126, 228661), (251, 114786), (502, 57393), (753, 38262), (911, 31626), (1506, 19131), (1757, 16398), (1822, 15813), (2259, 12754), (2733, 10542), (3514, 8199), (4518, 6377), (5271, 5466)]