989408

素因数分解:

$2^5\times 7^2\times {\mathrm{631}}^1$

素因数の和:655

約数の個数: 36

約数和(自身を含む): 2269512

約数和(自身を除く): 1280104

約数列:

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

約数ペア:

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