247342732

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{12821}}^1$

素因数の和:12898

約数の個数: 48

約数和(自身を含む): 542832192

約数和(自身を除く): 295489460

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 53, 91, 106, 182, 212, 364, 371, 689, 742, 1378, 1484, 2756, 4823, 9646, 12821, 19292, 25642, 51284, 89747, 166673, 179494, 333346, 358988, 666692, 679513, 1166711, 1359026, 2333422, 2718052, 4666844, 4756591, 8833669, 9513182, 17667338, 19026364, 35334676, 61835683, 123671366, 247342732]

約数ペア:

[(1, 247342732), (2, 123671366), (4, 61835683), (7, 35334676), (13, 19026364), (14, 17667338), (26, 9513182), (28, 8833669), (52, 4756591), (53, 4666844), (91, 2718052), (106, 2333422), (182, 1359026), (212, 1166711), (364, 679513), (371, 666692), (689, 358988), (742, 333346), (1378, 179494), (1484, 166673), (2756, 89747), (4823, 51284), (9646, 25642), (12821, 19292)]