28311647

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{18301}}^1$

素因数の和:18338

約数の個数: 16

約数和(自身を含む): 36896832

約数和(自身を除く): 8585185

約数列:

[1, 7, 13, 17, 91, 119, 221, 1547, 18301, 128107, 237913, 311117, 1665391, 2177819, 4044521, 28311647]

約数ペア:

[(1, 28311647), (7, 4044521), (13, 2177819), (17, 1665391), (91, 311117), (119, 237913), (221, 128107), (1547, 18301)]