209217148

素因数分解:

$2^2\times 7^1\times {\mathrm{67}}^1\times {\mathrm{229}}^1\times {\mathrm{487}}^1$

素因数の和:794

約数の個数: 48

約数和(自身を含む): 427409920

約数和(自身を除く): 218192772

約数列:

[1, 2, 4, 7, 14, 28, 67, 134, 229, 268, 458, 469, 487, 916, 938, 974, 1603, 1876, 1948, 3206, 3409, 6412, 6818, 13636, 15343, 30686, 32629, 61372, 65258, 107401, 111523, 130516, 214802, 223046, 228403, 429604, 446092, 456806, 780661, 913612, 1561322, 3122644, 7472041, 14944082, 29888164, 52304287, 104608574, 209217148]

約数ペア:

[(1, 209217148), (2, 104608574), (4, 52304287), (7, 29888164), (14, 14944082), (28, 7472041), (67, 3122644), (134, 1561322), (229, 913612), (268, 780661), (458, 456806), (469, 446092), (487, 429604), (916, 228403), (938, 223046), (974, 214802), (1603, 130516), (1876, 111523), (1948, 107401), (3206, 65258), (3409, 61372), (6412, 32629), (6818, 30686), (13636, 15343)]