28178425

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{5393}}^1$

素因数の和:5433

約数の個数: 24

約数和(自身を含む): 40131360

約数和(自身を除く): 11952935

約数列:

[1, 5, 11, 19, 25, 55, 95, 209, 275, 475, 1045, 5225, 5393, 26965, 59323, 102467, 134825, 296615, 512335, 1127137, 1483075, 2561675, 5635685, 28178425]

約数ペア:

[(1, 28178425), (5, 5635685), (11, 2561675), (19, 1483075), (25, 1127137), (55, 512335), (95, 296615), (209, 134825), (275, 102467), (475, 59323), (1045, 26965), (5225, 5393)]