1978816

素因数分解:

$2^6\times 7^2\times {\mathrm{631}}^1$

素因数の和:657

約数の個数: 42

約数和(自身を含む): 4575048

約数和(自身を除く): 2596232

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 49, 56, 64, 98, 112, 196, 224, 392, 448, 631, 784, 1262, 1568, 2524, 3136, 4417, 5048, 8834, 10096, 17668, 20192, 30919, 35336, 40384, 61838, 70672, 123676, 141344, 247352, 282688, 494704, 989408, 1978816]

約数ペア:

[(1, 1978816), (2, 989408), (4, 494704), (7, 282688), (8, 247352), (14, 141344), (16, 123676), (28, 70672), (32, 61838), (49, 40384), (56, 35336), (64, 30919), (98, 20192), (112, 17668), (196, 10096), (224, 8834), (392, 5048), (448, 4417), (631, 3136), (784, 2524), (1262, 1568)]