208398424

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{1381}}^1\times {\mathrm{1451}}^1$

素因数の和:2851

約数の個数: 32

約数和(自身を含む): 421399440

約数和(自身を除く): 213001016

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 1381, 1451, 2762, 2902, 5524, 5804, 11048, 11608, 17953, 18863, 35906, 37726, 71812, 75452, 143624, 150904, 2003831, 4007662, 8015324, 16030648, 26049803, 52099606, 104199212, 208398424]

約数ペア:

[(1, 208398424), (2, 104199212), (4, 52099606), (8, 26049803), (13, 16030648), (26, 8015324), (52, 4007662), (104, 2003831), (1381, 150904), (1451, 143624), (2762, 75452), (2902, 71812), (5524, 37726), (5804, 35906), (11048, 18863), (11608, 17953)]