28801978

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{10723}}^1$

素因数の和:10821

約数の個数: 16

約数和(自身を含む): 46327680

約数和(自身を除く): 17525702

約数列:

[1, 2, 17, 34, 79, 158, 1343, 2686, 10723, 21446, 182291, 364582, 847117, 1694234, 14400989, 28801978]

約数ペア:

[(1, 28801978), (2, 14400989), (17, 1694234), (34, 847117), (79, 364582), (158, 182291), (1343, 21446), (2686, 10723)]