173666428

素因数分解:

$2^2\times {\mathrm{13}}^2\times {\mathrm{256903}}^1$

素因数の和:256933

約数の個数: 18

約数和(自身を含む): 329094024

約数和(自身を除く): 155427596

約数列:

[1, 2, 4, 13, 26, 52, 169, 338, 676, 256903, 513806, 1027612, 3339739, 6679478, 13358956, 43416607, 86833214, 173666428]

約数ペア:

[(1, 173666428), (2, 86833214), (4, 43416607), (13, 13358956), (26, 6679478), (52, 3339739), (169, 1027612), (338, 513806), (676, 256903)]