12772015

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{139}}^1$

素因数の和:231

約数の個数: 32

約数和(自身を含む): 17418240

約数和(自身を除く): 4646225

約数列:

[1, 5, 17, 23, 47, 85, 115, 139, 235, 391, 695, 799, 1081, 1955, 2363, 3197, 3995, 5405, 6533, 11815, 15985, 18377, 32665, 54349, 91885, 111061, 150259, 271745, 555305, 751295, 2554403, 12772015]

約数ペア:

[(1, 12772015), (5, 2554403), (17, 751295), (23, 555305), (47, 271745), (85, 150259), (115, 111061), (139, 91885), (235, 54349), (391, 32665), (695, 18377), (799, 15985), (1081, 11815), (1955, 6533), (2363, 5405), (3197, 3995)]