78542768

素因数分解:

$2^4\times {\mathrm{43}}^1\times {\mathrm{114161}}^1$

素因数の和:114212

約数の個数: 20

約数和(自身を含む): 155716968

約数和(自身を除く): 77174200

約数列:

[1, 2, 4, 8, 16, 43, 86, 172, 344, 688, 114161, 228322, 456644, 913288, 1826576, 4908923, 9817846, 19635692, 39271384, 78542768]

約数ペア:

[(1, 78542768), (2, 39271384), (4, 19635692), (8, 9817846), (16, 4908923), (43, 1826576), (86, 913288), (172, 456644), (344, 228322), (688, 114161)]