399833872

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{1315243}}^1$

素因数の和:1315270

約数の個数: 20

約数和(自身を含む): 815451280

約数和(自身を除く): 415617408

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 1315243, 2630486, 5260972, 10521944, 21043888, 24989617, 49979234, 99958468, 199916936, 399833872]

約数ペア:

[(1, 399833872), (2, 199916936), (4, 99958468), (8, 49979234), (16, 24989617), (19, 21043888), (38, 10521944), (76, 5260972), (152, 2630486), (304, 1315243)]