208718211

素因数分解:

$3^1\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{461}}^1$

素因数の和:556

約数の個数: 48

約数和(自身を含む): 324656640

約数和(自身を除く): 115938429

約数列:

[1, 3, 13, 19, 39, 47, 57, 141, 169, 247, 461, 507, 611, 741, 893, 1383, 1833, 2679, 3211, 5993, 7943, 8759, 9633, 11609, 17979, 21667, 23829, 26277, 34827, 65001, 77909, 113867, 150917, 233727, 281671, 341601, 411673, 452751, 845013, 1235019, 1480271, 3661723, 4440813, 5351749, 10985169, 16055247, 69572737, 208718211]

約数ペア:

[(1, 208718211), (3, 69572737), (13, 16055247), (19, 10985169), (39, 5351749), (47, 4440813), (57, 3661723), (141, 1480271), (169, 1235019), (247, 845013), (461, 452751), (507, 411673), (611, 341601), (741, 281671), (893, 233727), (1383, 150917), (1833, 113867), (2679, 77909), (3211, 65001), (5993, 34827), (7943, 26277), (8759, 23829), (9633, 21667), (11609, 17979)]