158978768

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{764321}}^1$

素因数の和:764342

約数の個数: 20

約数和(自身を含む): 331715748

約数和(自身を除く): 172736980

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 764321, 1528642, 3057284, 6114568, 9936173, 12229136, 19872346, 39744692, 79489384, 158978768]

約数ペア:

[(1, 158978768), (2, 79489384), (4, 39744692), (8, 19872346), (13, 12229136), (16, 9936173), (26, 6114568), (52, 3057284), (104, 1528642), (208, 764321)]