28323412

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{239}}^1$

素因数の和:352

約数の個数: 48

約数和(自身を含む): 55883520

約数和(自身を除く): 27560108

約数列:

[1, 2, 4, 13, 26, 43, 52, 53, 86, 106, 172, 212, 239, 478, 559, 689, 956, 1118, 1378, 2236, 2279, 2756, 3107, 4558, 6214, 9116, 10277, 12428, 12667, 20554, 25334, 29627, 41108, 50668, 59254, 118508, 133601, 164671, 267202, 329342, 534404, 544681, 658684, 1089362, 2178724, 7080853, 14161706, 28323412]

約数ペア:

[(1, 28323412), (2, 14161706), (4, 7080853), (13, 2178724), (26, 1089362), (43, 658684), (52, 544681), (53, 534404), (86, 329342), (106, 267202), (172, 164671), (212, 133601), (239, 118508), (478, 59254), (559, 50668), (689, 41108), (956, 29627), (1118, 25334), (1378, 20554), (2236, 12667), (2279, 12428), (2756, 10277), (3107, 9116), (4558, 6214)]