17966671513

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{191}}^1\times {\mathrm{20147}}^1$

素因数の和:20397

約数の個数: 32

約数和(自身を含む): 22282076160

約数和(自身を除く): 4315404647

約数列:

[1, 7, 23, 29, 161, 191, 203, 667, 1337, 4393, 4669, 5539, 20147, 30751, 38773, 127397, 141029, 463381, 584263, 891779, 3243667, 3848077, 4089841, 13438049, 26936539, 88505771, 94066343, 111594233, 619540397, 781159631, 2566667359, 17966671513]

約数ペア:

[(1, 17966671513), (7, 2566667359), (23, 781159631), (29, 619540397), (161, 111594233), (191, 94066343), (203, 88505771), (667, 26936539), (1337, 13438049), (4393, 4089841), (4669, 3848077), (5539, 3243667), (20147, 891779), (30751, 584263), (38773, 463381), (127397, 141029)]