28653425

素因数分解:

$5^2\times {\mathrm{19}}^1\times {\mathrm{179}}^1\times {\mathrm{337}}^1$

素因数の和:545

約数の個数: 24

約数和(自身を含む): 37720800

約数和(自身を除く): 9067375

約数列:

[1, 5, 19, 25, 95, 179, 337, 475, 895, 1685, 3401, 4475, 6403, 8425, 17005, 32015, 60323, 85025, 160075, 301615, 1146137, 1508075, 5730685, 28653425]

約数ペア:

[(1, 28653425), (5, 5730685), (19, 1508075), (25, 1146137), (95, 301615), (179, 160075), (337, 85025), (475, 60323), (895, 32015), (1685, 17005), (3401, 8425), (4475, 6403)]