28000000496

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{134615387}}^1$

素因数の和:134615408

約数の個数: 20

約数和(自身を含む): 58423078392

約数和(自身を除く): 30423077896

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 134615387, 269230774, 538461548, 1076923096, 1750000031, 2153846192, 3500000062, 7000000124, 14000000248, 28000000496]

約数ペア:

[(1, 28000000496), (2, 14000000248), (4, 7000000124), (8, 3500000062), (13, 2153846192), (16, 1750000031), (26, 1076923096), (52, 538461548), (104, 269230774), (208, 134615387)]