8989825

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{199}}^1$

素因数の和:361

約数の個数: 24

約数和(自身を含む): 12152000

約数和(自身を除く): 3162175

約数列:

[1, 5, 13, 25, 65, 139, 199, 325, 695, 995, 1807, 2587, 3475, 4975, 9035, 12935, 27661, 45175, 64675, 138305, 359593, 691525, 1797965, 8989825]

約数ペア:

[(1, 8989825), (5, 1797965), (13, 691525), (25, 359593), (65, 138305), (139, 64675), (199, 45175), (325, 27661), (695, 12935), (995, 9035), (1807, 4975), (2587, 3475)]