16722485

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{193}}^1$

素因数の和:285

約数の個数: 32

約数和(自身を含む): 22944768

約数和(自身を除く): 6222283

約数列:

[1, 5, 13, 31, 43, 65, 155, 193, 215, 403, 559, 965, 1333, 2015, 2509, 2795, 5983, 6665, 8299, 12545, 17329, 29915, 41495, 77779, 86645, 107887, 257269, 388895, 539435, 1286345, 3344497, 16722485]

約数ペア:

[(1, 16722485), (5, 3344497), (13, 1286345), (31, 539435), (43, 388895), (65, 257269), (155, 107887), (193, 86645), (215, 77779), (403, 41495), (559, 29915), (965, 17329), (1333, 12545), (2015, 8299), (2509, 6665), (2795, 5983)]