215518142

素因数分解:

$2^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{669311}}^1$

素因数の和:669343

約数の個数: 16

約数和(自身を含む): 385523712

約数和(自身を除く): 170005570

約数列:

[1, 2, 7, 14, 23, 46, 161, 322, 669311, 1338622, 4685177, 9370354, 15394153, 30788306, 107759071, 215518142]

約数ペア:

[(1, 215518142), (2, 107759071), (7, 30788306), (14, 15394153), (23, 9370354), (46, 4685177), (161, 1338622), (322, 669311)]