217612225

素因数分解:

$5^2\times {\mathrm{19}}^1\times {\mathrm{97}}^1\times {\mathrm{4723}}^1$

素因数の和:4849

約数の個数: 24

約数和(自身を含む): 287030240

約数和(自身を除く): 69418015

約数列:

[1, 5, 19, 25, 95, 97, 475, 485, 1843, 2425, 4723, 9215, 23615, 46075, 89737, 118075, 448685, 458131, 2243425, 2290655, 8704489, 11453275, 43522445, 217612225]

約数ペア:

[(1, 217612225), (5, 43522445), (19, 11453275), (25, 8704489), (95, 2290655), (97, 2243425), (475, 458131), (485, 448685), (1843, 118075), (2425, 89737), (4723, 46075), (9215, 23615)]