1211759998

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{522761}}^1$

素因数の和:522843

約数の個数: 16

約数和(自身を含む): 1944674640

約数和(自身を除く): 732914642

約数列:

[1, 2, 19, 38, 61, 122, 1159, 2318, 522761, 1045522, 9932459, 19864918, 31888421, 63776842, 605879999, 1211759998]

約数ペア:

[(1, 1211759998), (2, 605879999), (19, 63776842), (38, 31888421), (61, 19864918), (122, 9932459), (1159, 1045522), (2318, 522761)]