31981312

素因数分解:

$2^8\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{277}}^1$

素因数の和:345

約数の個数: 72

約数和(自身を含む): 71597232

約数和(自身を除く): 39615920

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 41, 44, 64, 82, 88, 128, 164, 176, 256, 277, 328, 352, 451, 554, 656, 704, 902, 1108, 1312, 1408, 1804, 2216, 2624, 2816, 3047, 3608, 4432, 5248, 6094, 7216, 8864, 10496, 11357, 12188, 14432, 17728, 22714, 24376, 28864, 35456, 45428, 48752, 57728, 70912, 90856, 97504, 115456, 124927, 181712, 195008, 249854, 363424, 390016, 499708, 726848, 780032, 999416, 1453696, 1998832, 2907392, 3997664, 7995328, 15990656, 31981312]

約数ペア:

[(1, 31981312), (2, 15990656), (4, 7995328), (8, 3997664), (11, 2907392), (16, 1998832), (22, 1453696), (32, 999416), (41, 780032), (44, 726848), (64, 499708), (82, 390016), (88, 363424), (128, 249854), (164, 195008), (176, 181712), (256, 124927), (277, 115456), (328, 97504), (352, 90856), (451, 70912), (554, 57728), (656, 48752), (704, 45428), (902, 35456), (1108, 28864), (1312, 24376), (1408, 22714), (1804, 17728), (2216, 14432), (2624, 12188), (2816, 11357), (3047, 10496), (3608, 8864), (4432, 7216), (5248, 6094)]