8690975

素因数分解:

$5^2\times {\mathrm{41}}^1\times {\mathrm{61}}^1\times {\mathrm{139}}^1$

素因数の和:251

約数の個数: 24

約数和(自身を含む): 11301360

約数和(自身を除く): 2610385

約数列:

[1, 5, 25, 41, 61, 139, 205, 305, 695, 1025, 1525, 2501, 3475, 5699, 8479, 12505, 28495, 42395, 62525, 142475, 211975, 347639, 1738195, 8690975]

約数ペア:

[(1, 8690975), (5, 1738195), (25, 347639), (41, 211975), (61, 142475), (139, 62525), (205, 42395), (305, 28495), (695, 12505), (1025, 8479), (1525, 5699), (2501, 3475)]