201621316

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{997}}^1\times {\mathrm{3889}}^1$

素因数の和:4903

約数の個数: 24

約数和(自身を含む): 380457560

約数和(自身を除く): 178836244

約数列:

[1, 2, 4, 13, 26, 52, 997, 1994, 3889, 3988, 7778, 12961, 15556, 25922, 50557, 51844, 101114, 202228, 3877333, 7754666, 15509332, 50405329, 100810658, 201621316]

約数ペア:

[(1, 201621316), (2, 100810658), (4, 50405329), (13, 15509332), (26, 7754666), (52, 3877333), (997, 202228), (1994, 101114), (3889, 51844), (3988, 50557), (7778, 25922), (12961, 15556)]