25725392

素因数分解:

$2^4\times 7^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{157}}^1$

素因数の和:209

約数の個数: 120

約数和(自身を含む): 67004640

約数和(自身を除く): 41279248

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 19, 22, 28, 38, 44, 49, 56, 76, 77, 88, 98, 112, 133, 152, 154, 157, 176, 196, 209, 266, 304, 308, 314, 392, 418, 532, 539, 616, 628, 784, 836, 931, 1064, 1078, 1099, 1232, 1256, 1463, 1672, 1727, 1862, 2128, 2156, 2198, 2512, 2926, 2983, 3344, 3454, 3724, 4312, 4396, 5852, 5966, 6908, 7448, 7693, 8624, 8792, 10241, 11704, 11932, 12089, 13816, 14896, 15386, 17584, 20482, 20881, 23408, 23864, 24178, 27632, 30772, 32813, 40964, 41762, 47728, 48356, 61544, 65626, 81928, 83524, 84623, 96712, 123088, 131252, 146167, 163856, 167048, 169246, 193424, 229691, 262504, 292334, 334096, 338492, 459382, 525008, 584668, 676984, 918764, 1169336, 1353968, 1607837, 1837528, 2338672, 3215674, 3675056, 6431348, 12862696, 25725392]

約数ペア:

[(1, 25725392), (2, 12862696), (4, 6431348), (7, 3675056), (8, 3215674), (11, 2338672), (14, 1837528), (16, 1607837), (19, 1353968), (22, 1169336), (28, 918764), (38, 676984), (44, 584668), (49, 525008), (56, 459382), (76, 338492), (77, 334096), (88, 292334), (98, 262504), (112, 229691), (133, 193424), (152, 169246), (154, 167048), (157, 163856), (176, 146167), (196, 131252), (209, 123088), (266, 96712), (304, 84623), (308, 83524), (314, 81928), (392, 65626), (418, 61544), (532, 48356), (539, 47728), (616, 41762), (628, 40964), (784, 32813), (836, 30772), (931, 27632), (1064, 24178), (1078, 23864), (1099, 23408), (1232, 20881), (1256, 20482), (1463, 17584), (1672, 15386), (1727, 14896), (1862, 13816), (2128, 12089), (2156, 11932), (2198, 11704), (2512, 10241), (2926, 8792), (2983, 8624), (3344, 7693), (3454, 7448), (3724, 6908), (4312, 5966), (4396, 5852)]