8489425

素因数分解:

$5^2\times 7^1\times {\mathrm{139}}^1\times {\mathrm{349}}^1$

素因数の和:505

約数の個数: 24

約数和(自身を含む): 12152000

約数和(自身を除く): 3662575

約数列:

[1, 5, 7, 25, 35, 139, 175, 349, 695, 973, 1745, 2443, 3475, 4865, 8725, 12215, 24325, 48511, 61075, 242555, 339577, 1212775, 1697885, 8489425]

約数ペア:

[(1, 8489425), (5, 1697885), (7, 1212775), (25, 339577), (35, 242555), (139, 61075), (175, 48511), (349, 24325), (695, 12215), (973, 8725), (1745, 4865), (2443, 3475)]