1994172910

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{107}}^1\times {\mathrm{81031}}^1$

素因数の和:81168

約数の個数: 32

約数和(自身を含む): 3780628992

約数和(自身を除く): 1786456082

約数列:

[1, 2, 5, 10, 23, 46, 107, 115, 214, 230, 535, 1070, 2461, 4922, 12305, 24610, 81031, 162062, 405155, 810310, 1863713, 3727426, 8670317, 9318565, 17340634, 18637130, 43351585, 86703170, 199417291, 398834582, 997086455, 1994172910]

約数ペア:

[(1, 1994172910), (2, 997086455), (5, 398834582), (10, 199417291), (23, 86703170), (46, 43351585), (107, 18637130), (115, 17340634), (214, 9318565), (230, 8670317), (535, 3727426), (1070, 1863713), (2461, 810310), (4922, 405155), (12305, 162062), (24610, 81031)]