520099307

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{331}}^1\times {\mathrm{557}}^1$

素因数の和:939

約数の個数: 32

約数和(自身を含む): 663957504

約数和(自身を除く): 143858197

約数列:

[1, 7, 13, 31, 91, 217, 331, 403, 557, 2317, 2821, 3899, 4303, 7241, 10261, 17267, 30121, 50687, 71827, 120869, 133393, 184367, 224471, 933751, 1290569, 1571297, 2396771, 5715377, 16777397, 40007639, 74299901, 520099307]

約数ペア:

[(1, 520099307), (7, 74299901), (13, 40007639), (31, 16777397), (91, 5715377), (217, 2396771), (331, 1571297), (403, 1290569), (557, 933751), (2317, 224471), (2821, 184367), (3899, 133393), (4303, 120869), (7241, 71827), (10261, 50687), (17267, 30121)]