221855438

素因数分解:

$2^1\times 7^2\times {\mathrm{19}}^2\times {\mathrm{6271}}^1$

素因数の和:6325

約数の個数: 36

約数和(自身を含む): 408627072

約数和(自身を除く): 186771634

約数列:

[1, 2, 7, 14, 19, 38, 49, 98, 133, 266, 361, 722, 931, 1862, 2527, 5054, 6271, 12542, 17689, 35378, 43897, 87794, 119149, 238298, 307279, 614558, 834043, 1668086, 2263831, 4527662, 5838301, 11676602, 15846817, 31693634, 110927719, 221855438]

約数ペア:

[(1, 221855438), (2, 110927719), (7, 31693634), (14, 15846817), (19, 11676602), (38, 5838301), (49, 4527662), (98, 2263831), (133, 1668086), (266, 834043), (361, 614558), (722, 307279), (931, 238298), (1862, 119149), (2527, 87794), (5054, 43897), (6271, 35378), (12542, 17689)]