55712735

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{643}}^1$

素因数の和:735

約数の個数: 32

約数和(自身を含む): 76167168

約数和(自身を除く): 20454433

約数列:

[1, 5, 13, 31, 43, 65, 155, 215, 403, 559, 643, 1333, 2015, 2795, 3215, 6665, 8359, 17329, 19933, 27649, 41795, 86645, 99665, 138245, 259129, 359437, 857119, 1295645, 1797185, 4285595, 11142547, 55712735]

約数ペア:

[(1, 55712735), (5, 11142547), (13, 4285595), (31, 1797185), (43, 1295645), (65, 857119), (155, 359437), (215, 259129), (403, 138245), (559, 99665), (643, 86645), (1333, 41795), (2015, 27649), (2795, 19933), (3215, 17329), (6665, 8359)]