28638688

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{1601}}^1$

素因数の和:1667

約数の個数: 48

約数和(自身を含む): 62170416

約数和(自身を除く): 33531728

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 43, 52, 86, 104, 172, 208, 344, 416, 559, 688, 1118, 1376, 1601, 2236, 3202, 4472, 6404, 8944, 12808, 17888, 20813, 25616, 41626, 51232, 68843, 83252, 137686, 166504, 275372, 333008, 550744, 666016, 894959, 1101488, 1789918, 2202976, 3579836, 7159672, 14319344, 28638688]

約数ペア:

[(1, 28638688), (2, 14319344), (4, 7159672), (8, 3579836), (13, 2202976), (16, 1789918), (26, 1101488), (32, 894959), (43, 666016), (52, 550744), (86, 333008), (104, 275372), (172, 166504), (208, 137686), (344, 83252), (416, 68843), (559, 51232), (688, 41626), (1118, 25616), (1376, 20813), (1601, 17888), (2236, 12808), (3202, 8944), (4472, 6404)]