28464425

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{1163}}^1$

素因数の和:1273

約数の個数: 24

約数和(自身を含む): 38970720

約数和(自身を除く): 10506295

約数列:

[1, 5, 11, 25, 55, 89, 275, 445, 979, 1163, 2225, 4895, 5815, 12793, 24475, 29075, 63965, 103507, 319825, 517535, 1138577, 2587675, 5692885, 28464425]

約数ペア:

[(1, 28464425), (5, 5692885), (11, 2587675), (25, 1138577), (55, 517535), (89, 319825), (275, 103507), (445, 63965), (979, 29075), (1163, 24475), (2225, 12793), (4895, 5815)]