1969408

素因数分解:

$2^8\times 7^2\times {\mathrm{157}}^1$

素因数の和:187

約数の個数: 54

約数和(自身を含む): 4602066

約数和(自身を除く): 2632658

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, 628, 784, 896, 1099, 1256, 1568, 1792, 2198, 2512, 3136, 4396, 5024, 6272, 7693, 8792, 10048, 12544, 15386, 17584, 20096, 30772, 35168, 40192, 61544, 70336, 123088, 140672, 246176, 281344, 492352, 984704, 1969408]

約数ペア:

[(1, 1969408), (2, 984704), (4, 492352), (7, 281344), (8, 246176), (14, 140672), (16, 123088), (28, 70336), (32, 61544), (49, 40192), (56, 35168), (64, 30772), (98, 20096), (112, 17584), (128, 15386), (157, 12544), (196, 10048), (224, 8792), (256, 7693), (314, 6272), (392, 5024), (448, 4396), (628, 3136), (784, 2512), (896, 2198), (1099, 1792), (1256, 1568)]