79783376

素因数分解:

$2^4\times {\mathrm{41}}^1\times {\mathrm{121621}}^1$

素因数の和:121670

約数の個数: 20

約数和(自身を含む): 158351844

約数和(自身を除く): 78568468

約数列:

[1, 2, 4, 8, 16, 41, 82, 164, 328, 656, 121621, 243242, 486484, 972968, 1945936, 4986461, 9972922, 19945844, 39891688, 79783376]

約数ペア:

[(1, 79783376), (2, 39891688), (4, 19945844), (8, 9972922), (16, 4986461), (41, 1945936), (82, 972968), (164, 486484), (328, 243242), (656, 121621)]