42089905

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{37}}^2\times {\mathrm{43}}^1$

素因数の和:146

約数の個数: 48

約数和(自身を含む): 62403264

約数和(自身を除く): 20313359

約数列:

[1, 5, 11, 13, 37, 43, 55, 65, 143, 185, 215, 407, 473, 481, 559, 715, 1369, 1591, 2035, 2365, 2405, 2795, 5291, 6149, 6845, 7955, 15059, 17501, 17797, 20683, 26455, 30745, 58867, 75295, 87505, 88985, 103415, 195767, 227513, 294335, 647537, 765271, 978835, 1137565, 3237685, 3826355, 8417981, 42089905]

約数ペア:

[(1, 42089905), (5, 8417981), (11, 3826355), (13, 3237685), (37, 1137565), (43, 978835), (55, 765271), (65, 647537), (143, 294335), (185, 227513), (215, 195767), (407, 103415), (473, 88985), (481, 87505), (559, 75295), (715, 58867), (1369, 30745), (1591, 26455), (2035, 20683), (2365, 17797), (2405, 17501), (2795, 15059), (5291, 7955), (6149, 6845)]