81565442

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{239}}^1\times {\mathrm{1283}}^1$

素因数の和:1550

約数の個数: 32

約数和(自身を含む): 147916800

約数和(自身を除く): 66351358

約数列:

[1, 2, 7, 14, 19, 38, 133, 239, 266, 478, 1283, 1673, 2566, 3346, 4541, 8981, 9082, 17962, 24377, 31787, 48754, 63574, 170639, 306637, 341278, 613274, 2146459, 4292918, 5826103, 11652206, 40782721, 81565442]

約数ペア:

[(1, 81565442), (2, 40782721), (7, 11652206), (14, 5826103), (19, 4292918), (38, 2146459), (133, 613274), (239, 341278), (266, 306637), (478, 170639), (1283, 63574), (1673, 48754), (2566, 31787), (3346, 24377), (4541, 17962), (8981, 9082)]