261666119

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{193}}^1\times {\mathrm{499}}^1$

素因数の和:735

約数の個数: 32

約数和(自身を含む): 325920000

約数和(自身を除く): 64253881

約数列:

[1, 11, 13, 19, 143, 193, 209, 247, 499, 2123, 2509, 2717, 3667, 5489, 6487, 9481, 27599, 40337, 47671, 71357, 96307, 104291, 123253, 524381, 1059377, 1251991, 1355783, 1829833, 13771901, 20128163, 23787829, 261666119]

約数ペア:

[(1, 261666119), (11, 23787829), (13, 20128163), (19, 13771901), (143, 1829833), (193, 1355783), (209, 1251991), (247, 1059377), (499, 524381), (2123, 123253), (2509, 104291), (2717, 96307), (3667, 71357), (5489, 47671), (6487, 40337), (9481, 27599)]