212006977

素因数分解:

$7^2\times {\mathrm{13}}^1\times {\mathrm{241}}^1\times {\mathrm{1381}}^1$

素因数の和:1649

約数の個数: 24

約数和(自身を含む): 266886312

約数和(自身を除く): 54879335

約数列:

[1, 7, 13, 49, 91, 241, 637, 1381, 1687, 3133, 9667, 11809, 17953, 21931, 67669, 125671, 153517, 332821, 879697, 2329747, 4326673, 16308229, 30286711, 212006977]

約数ペア:

[(1, 212006977), (7, 30286711), (13, 16308229), (49, 4326673), (91, 2329747), (241, 879697), (637, 332821), (1381, 153517), (1687, 125671), (3133, 67669), (9667, 21931), (11809, 17953)]