1978112

素因数分解:

$2^8\times {\mathrm{7727}}^1$

素因数の和:7743

約数の個数: 18

約数和(自身を含む): 3949008

約数和(自身を除く): 1970896

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 256, 7727, 15454, 30908, 61816, 123632, 247264, 494528, 989056, 1978112]

約数ペア:

[(1, 1978112), (2, 989056), (4, 494528), (8, 247264), (16, 123632), (32, 61816), (64, 30908), (128, 15454), (256, 7727)]