398438828938

素因数分解:

$2^1\times {\mathrm{41}}^1\times {\mathrm{223}}^1\times {\mathrm{557}}^1\times {\mathrm{39119}}^1$

素因数の和:39942

約数の個数: 32

約数和(自身を含む): 616100567040

約数和(自身を除く): 217661738102

約数列:

[1, 2, 41, 82, 223, 446, 557, 1114, 9143, 18286, 22837, 39119, 45674, 78238, 124211, 248422, 1603879, 3207758, 5092651, 8723537, 10185302, 17447074, 21789283, 43578566, 357665017, 715330034, 893360603, 1786721206, 4859010109, 9718020218, 199219414469, 398438828938]

約数ペア:

[(1, 398438828938), (2, 199219414469), (41, 9718020218), (82, 4859010109), (223, 1786721206), (446, 893360603), (557, 715330034), (1114, 357665017), (9143, 43578566), (18286, 21789283), (22837, 17447074), (39119, 10185302), (45674, 8723537), (78238, 5092651), (124211, 3207758), (248422, 1603879)]