71748404

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{439}}^1\times {\mathrm{449}}^1$

素因数の和:912

約数の個数: 48

約数和(自身を含む): 155232000

約数和(自身を除く): 83483596

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 91, 182, 364, 439, 449, 878, 898, 1756, 1796, 3073, 3143, 5707, 5837, 6146, 6286, 11414, 11674, 12292, 12572, 22828, 23348, 39949, 40859, 79898, 81718, 159796, 163436, 197111, 394222, 788444, 1379777, 2562443, 2759554, 5124886, 5519108, 10249772, 17937101, 35874202, 71748404]

約数ペア:

[(1, 71748404), (2, 35874202), (4, 17937101), (7, 10249772), (13, 5519108), (14, 5124886), (26, 2759554), (28, 2562443), (52, 1379777), (91, 788444), (182, 394222), (364, 197111), (439, 163436), (449, 159796), (878, 81718), (898, 79898), (1756, 40859), (1796, 39949), (3073, 23348), (3143, 22828), (5707, 12572), (5837, 12292), (6146, 11674), (6286, 11414)]