1278702481

素因数分解:

$7^2\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{1231}}^1$

素因数の和:1334

約数の個数: 48

約数和(自身を含む): 1668522240

約数和(自身を除く): 389819759

約数列:

[1, 7, 17, 29, 43, 49, 119, 203, 301, 493, 731, 833, 1231, 1247, 1421, 2107, 3451, 5117, 8617, 8729, 20927, 21199, 24157, 35699, 35819, 52933, 60319, 61103, 146489, 148393, 249893, 370531, 606883, 899861, 1025423, 1038751, 1535057, 1749251, 2593717, 4248181, 6299027, 10745399, 26095969, 29737267, 44093189, 75217793, 182671783, 1278702481]

約数ペア:

[(1, 1278702481), (7, 182671783), (17, 75217793), (29, 44093189), (43, 29737267), (49, 26095969), (119, 10745399), (203, 6299027), (301, 4248181), (493, 2593717), (731, 1749251), (833, 1535057), (1231, 1038751), (1247, 1025423), (1421, 899861), (2107, 606883), (3451, 370531), (5117, 249893), (8617, 148393), (8729, 146489), (20927, 61103), (21199, 60319), (24157, 52933), (35699, 35819)]