28403992

素因数分解:

$2^3\times {\mathrm{29}}^1\times {\mathrm{191}}^1\times {\mathrm{641}}^1$

素因数の和:867

約数の個数: 32

約数和(自身を含む): 55468800

約数和(自身を除く): 27064808

約数列:

[1, 2, 4, 8, 29, 58, 116, 191, 232, 382, 641, 764, 1282, 1528, 2564, 5128, 5539, 11078, 18589, 22156, 37178, 44312, 74356, 122431, 148712, 244862, 489724, 979448, 3550499, 7100998, 14201996, 28403992]

約数ペア:

[(1, 28403992), (2, 14201996), (4, 7100998), (8, 3550499), (29, 979448), (58, 489724), (116, 244862), (191, 148712), (232, 122431), (382, 74356), (641, 44312), (764, 37178), (1282, 22156), (1528, 18589), (2564, 11078), (5128, 5539)]