7778485

素因数分解:

$5^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1$

素因数の和:106

約数の個数: 48

約数和(自身を含む): 11797632

約数和(自身を除く): 4019147

約数列:

[1, 5, 11, 13, 23, 43, 55, 65, 115, 121, 143, 215, 253, 299, 473, 559, 605, 715, 989, 1265, 1495, 1573, 2365, 2783, 2795, 3289, 4945, 5203, 6149, 7865, 10879, 12857, 13915, 16445, 26015, 30745, 36179, 54395, 64285, 67639, 119669, 141427, 180895, 338195, 598345, 707135, 1555697, 7778485]

約数ペア:

[(1, 7778485), (5, 1555697), (11, 707135), (13, 598345), (23, 338195), (43, 180895), (55, 141427), (65, 119669), (115, 67639), (121, 64285), (143, 54395), (215, 36179), (253, 30745), (299, 26015), (473, 16445), (559, 13915), (605, 12857), (715, 10879), (989, 7865), (1265, 6149), (1495, 5203), (1573, 4945), (2365, 3289), (2783, 2795)]