247682015

素因数分解:

$5^1\times 7^3\times {\mathrm{139}}^1\times {\mathrm{1039}}^1$

素因数の和:1204

約数の個数: 32

約数和(自身を含む): 349440000

約数和(自身を除く): 101757985

約数列:

[1, 5, 7, 35, 49, 139, 245, 343, 695, 973, 1039, 1715, 4865, 5195, 6811, 7273, 34055, 36365, 47677, 50911, 144421, 238385, 254555, 356377, 722105, 1010947, 1781885, 5054735, 7076629, 35383145, 49536403, 247682015]

約数ペア:

[(1, 247682015), (5, 49536403), (7, 35383145), (35, 7076629), (49, 5054735), (139, 1781885), (245, 1010947), (343, 722105), (695, 356377), (973, 254555), (1039, 238385), (1715, 144421), (4865, 50911), (5195, 47677), (6811, 36365), (7273, 34055)]