389402778

素因数分解:

$2^1\times 3^1\times {\mathrm{29}}^1\times {\mathrm{191}}^1\times {\mathrm{11717}}^1$

素因数の和:11942

約数の個数: 32

約数和(自身を含む): 809948160

約数和(自身を除く): 420545382

約数列:

[1, 2, 3, 6, 29, 58, 87, 174, 191, 382, 573, 1146, 5539, 11078, 11717, 16617, 23434, 33234, 35151, 70302, 339793, 679586, 1019379, 2038758, 2237947, 4475894, 6713841, 13427682, 64900463, 129800926, 194701389, 389402778]

約数ペア:

[(1, 389402778), (2, 194701389), (3, 129800926), (6, 64900463), (29, 13427682), (58, 6713841), (87, 4475894), (174, 2237947), (191, 2038758), (382, 1019379), (573, 679586), (1146, 339793), (5539, 70302), (11078, 35151), (11717, 33234), (16617, 23434)]