168028343

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{139}}^1\times {\mathrm{149}}^1$

素因数の和:375

約数の個数: 32

約数和(自身を含む): 208320000

約数和(自身を除く): 40291657

約数列:

[1, 7, 19, 61, 133, 139, 149, 427, 973, 1043, 1159, 2641, 2831, 8113, 8479, 9089, 18487, 19817, 20711, 59353, 63623, 144977, 161101, 172691, 393509, 1127707, 1208837, 1263371, 2754563, 8843597, 24004049, 168028343]

約数ペア:

[(1, 168028343), (7, 24004049), (19, 8843597), (61, 2754563), (133, 1263371), (139, 1208837), (149, 1127707), (427, 393509), (973, 172691), (1043, 161101), (1159, 144977), (2641, 63623), (2831, 59353), (8113, 20711), (8479, 19817), (9089, 18487)]