28070075

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{103}}^1\times {\mathrm{991}}^1$

素因数の和:1115

約数の個数: 24

約数和(自身を含む): 38378496

約数和(自身を除く): 10308421

約数列:

[1, 5, 11, 25, 55, 103, 275, 515, 991, 1133, 2575, 4955, 5665, 10901, 24775, 28325, 54505, 102073, 272525, 510365, 1122803, 2551825, 5614015, 28070075]

約数ペア:

[(1, 28070075), (5, 5614015), (11, 2551825), (25, 1122803), (55, 510365), (103, 272525), (275, 102073), (515, 54505), (991, 28325), (1133, 24775), (2575, 10901), (4955, 5665)]