31389136

素因数分解:

$2^4\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{1109}}^1$

素因数の和:1207

約数の個数: 40

約数和(自身を含む): 64002600

約数和(自身を除く): 32613464

約数列:

[1, 2, 4, 8, 16, 29, 58, 61, 116, 122, 232, 244, 464, 488, 976, 1109, 1769, 2218, 3538, 4436, 7076, 8872, 14152, 17744, 28304, 32161, 64322, 67649, 128644, 135298, 257288, 270596, 514576, 541192, 1082384, 1961821, 3923642, 7847284, 15694568, 31389136]

約数ペア:

[(1, 31389136), (2, 15694568), (4, 7847284), (8, 3923642), (16, 1961821), (29, 1082384), (58, 541192), (61, 514576), (116, 270596), (122, 257288), (232, 135298), (244, 128644), (464, 67649), (488, 64322), (976, 32161), (1109, 28304), (1769, 17744), (2218, 14152), (3538, 8872), (4436, 7076)]