31510528

素因数分解:

$2^{12}\times 7^2\times {\mathrm{157}}^1$

素因数の和:195

約数の個数: 78

約数和(自身を含む): 73768146

約数和(自身を除く): 42257618

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 49, 56, 64, 98, 112, 128, 157, 196, 224, 256, 314, 392, 448, 512, 628, 784, 896, 1024, 1099, 1256, 1568, 1792, 2048, 2198, 2512, 3136, 3584, 4096, 4396, 5024, 6272, 7168, 7693, 8792, 10048, 12544, 14336, 15386, 17584, 20096, 25088, 28672, 30772, 35168, 40192, 50176, 61544, 70336, 80384, 100352, 123088, 140672, 160768, 200704, 246176, 281344, 321536, 492352, 562688, 643072, 984704, 1125376, 1969408, 2250752, 3938816, 4501504, 7877632, 15755264, 31510528]

約数ペア:

[(1, 31510528), (2, 15755264), (4, 7877632), (7, 4501504), (8, 3938816), (14, 2250752), (16, 1969408), (28, 1125376), (32, 984704), (49, 643072), (56, 562688), (64, 492352), (98, 321536), (112, 281344), (128, 246176), (157, 200704), (196, 160768), (224, 140672), (256, 123088), (314, 100352), (392, 80384), (448, 70336), (512, 61544), (628, 50176), (784, 40192), (896, 35168), (1024, 30772), (1099, 28672), (1256, 25088), (1568, 20096), (1792, 17584), (2048, 15386), (2198, 14336), (2512, 12544), (3136, 10048), (3584, 8792), (4096, 7693), (4396, 7168), (5024, 6272)]