28650125

素因数分解:

$5^3\times 7^1\times {\mathrm{137}}^1\times {\mathrm{239}}^1$

素因数の和:398

約数の個数: 32

約数和(自身を含む): 41333760

約数和(自身を除く): 12683635

約数列:

[1, 5, 7, 25, 35, 125, 137, 175, 239, 685, 875, 959, 1195, 1673, 3425, 4795, 5975, 8365, 17125, 23975, 29875, 32743, 41825, 119875, 163715, 209125, 229201, 818575, 1146005, 4092875, 5730025, 28650125]

約数ペア:

[(1, 28650125), (5, 5730025), (7, 4092875), (25, 1146005), (35, 818575), (125, 229201), (137, 209125), (175, 163715), (239, 119875), (685, 41825), (875, 32743), (959, 29875), (1195, 23975), (1673, 17125), (3425, 8365), (4795, 5975)]