28694275

素因数分解:

$5^2\times {\mathrm{19}}^1\times {\mathrm{193}}^1\times {\mathrm{313}}^1$

素因数の和:535

約数の個数: 24

約数和(自身を含む): 37767920

約数和(自身を除く): 9073645

約数列:

[1, 5, 19, 25, 95, 193, 313, 475, 965, 1565, 3667, 4825, 5947, 7825, 18335, 29735, 60409, 91675, 148675, 302045, 1147771, 1510225, 5738855, 28694275]

約数ペア:

[(1, 28694275), (5, 5738855), (19, 1510225), (25, 1147771), (95, 302045), (193, 148675), (313, 91675), (475, 60409), (965, 29735), (1565, 18335), (3667, 7825), (4825, 5947)]