28088425

素因数分解:

$5^2\times {\mathrm{59}}^1\times {\mathrm{137}}^1\times {\mathrm{139}}^1$

素因数の和:345

約数の個数: 24

約数和(自身を含む): 35935200

約数和(自身を除く): 7846775

約数列:

[1, 5, 25, 59, 137, 139, 295, 685, 695, 1475, 3425, 3475, 8083, 8201, 19043, 40415, 41005, 95215, 202075, 205025, 476075, 1123537, 5617685, 28088425]

約数ペア:

[(1, 28088425), (5, 5617685), (25, 1123537), (59, 476075), (137, 205025), (139, 202075), (295, 95215), (685, 41005), (695, 40415), (1475, 19043), (3425, 8201), (3475, 8083)]