208550342

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{1427}}^1$

素因数の和:1533

約数の個数: 64

約数和(自身を含む): 426069504

約数和(自身を除く): 217519162

約数列:

[1, 2, 7, 11, 13, 14, 22, 26, 73, 77, 91, 143, 146, 154, 182, 286, 511, 803, 949, 1001, 1022, 1427, 1606, 1898, 2002, 2854, 5621, 6643, 9989, 10439, 11242, 13286, 15697, 18551, 19978, 20878, 31394, 37102, 73073, 104171, 109879, 129857, 146146, 204061, 208342, 219758, 259714, 408122, 729197, 1145881, 1354223, 1428427, 1458394, 2291762, 2708446, 2856854, 8021167, 9479561, 14896453, 16042334, 18959122, 29792906, 104275171, 208550342]

約数ペア:

[(1, 208550342), (2, 104275171), (7, 29792906), (11, 18959122), (13, 16042334), (14, 14896453), (22, 9479561), (26, 8021167), (73, 2856854), (77, 2708446), (91, 2291762), (143, 1458394), (146, 1428427), (154, 1354223), (182, 1145881), (286, 729197), (511, 408122), (803, 259714), (949, 219758), (1001, 208342), (1022, 204061), (1427, 146146), (1606, 129857), (1898, 109879), (2002, 104171), (2854, 73073), (5621, 37102), (6643, 31394), (9989, 20878), (10439, 19978), (11242, 18551), (13286, 15697)]