28689876

素因数分解:

$2^2\times 3^4\times {\mathrm{73}}^1\times {\mathrm{1213}}^1$

素因数の和:1302

約数の個数: 60

約数和(自身を含む): 76091092

約数和(自身を除く): 47401216

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 73, 81, 108, 146, 162, 219, 292, 324, 438, 657, 876, 1213, 1314, 1971, 2426, 2628, 3639, 3942, 4852, 5913, 7278, 7884, 10917, 11826, 14556, 21834, 23652, 32751, 43668, 65502, 88549, 98253, 131004, 177098, 196506, 265647, 354196, 393012, 531294, 796941, 1062588, 1593882, 2390823, 3187764, 4781646, 7172469, 9563292, 14344938, 28689876]

約数ペア:

[(1, 28689876), (2, 14344938), (3, 9563292), (4, 7172469), (6, 4781646), (9, 3187764), (12, 2390823), (18, 1593882), (27, 1062588), (36, 796941), (54, 531294), (73, 393012), (81, 354196), (108, 265647), (146, 196506), (162, 177098), (219, 131004), (292, 98253), (324, 88549), (438, 65502), (657, 43668), (876, 32751), (1213, 23652), (1314, 21834), (1971, 14556), (2426, 11826), (2628, 10917), (3639, 7884), (3942, 7278), (4852, 5913)]