28491112

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{277}}^1$

素因数の和:362

約数の個数: 64

約数和(自身を含む): 61649280

約数和(自身を除く): 33158168

約数列:

[1, 2, 4, 8, 13, 23, 26, 43, 46, 52, 86, 92, 104, 172, 184, 277, 299, 344, 554, 559, 598, 989, 1108, 1118, 1196, 1978, 2216, 2236, 2392, 3601, 3956, 4472, 6371, 7202, 7912, 11911, 12742, 12857, 14404, 23822, 25484, 25714, 28808, 47644, 50968, 51428, 82823, 95288, 102856, 154843, 165646, 273953, 309686, 331292, 547906, 619372, 662584, 1095812, 1238744, 2191624, 3561389, 7122778, 14245556, 28491112]

約数ペア:

[(1, 28491112), (2, 14245556), (4, 7122778), (8, 3561389), (13, 2191624), (23, 1238744), (26, 1095812), (43, 662584), (46, 619372), (52, 547906), (86, 331292), (92, 309686), (104, 273953), (172, 165646), (184, 154843), (277, 102856), (299, 95288), (344, 82823), (554, 51428), (559, 50968), (598, 47644), (989, 28808), (1108, 25714), (1118, 25484), (1196, 23822), (1978, 14404), (2216, 12857), (2236, 12742), (2392, 11911), (3601, 7912), (3956, 7202), (4472, 6371)]