28396728

素因数分解:

$2^3\times 3^2\times {\mathrm{181}}^1\times {\mathrm{2179}}^1$

素因数の和:2372

約数の個数: 48

約数和(自身を含む): 77368200

約数和(自身を除く): 48971472

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 181, 362, 543, 724, 1086, 1448, 1629, 2172, 2179, 3258, 4344, 4358, 6516, 6537, 8716, 13032, 13074, 17432, 19611, 26148, 39222, 52296, 78444, 156888, 394399, 788798, 1183197, 1577596, 2366394, 3155192, 3549591, 4732788, 7099182, 9465576, 14198364, 28396728]

約数ペア:

[(1, 28396728), (2, 14198364), (3, 9465576), (4, 7099182), (6, 4732788), (8, 3549591), (9, 3155192), (12, 2366394), (18, 1577596), (24, 1183197), (36, 788798), (72, 394399), (181, 156888), (362, 78444), (543, 52296), (724, 39222), (1086, 26148), (1448, 19611), (1629, 17432), (2172, 13074), (2179, 13032), (3258, 8716), (4344, 6537), (4358, 6516)]