157420796

素因数分解:

$2^2\times {\mathrm{13}}^2\times {\mathrm{232871}}^1$

素因数の和:232901

約数の個数: 18

約数和(自身を含む): 298309032

約数和(自身を除く): 140888236

約数列:

[1, 2, 4, 13, 26, 52, 169, 338, 676, 232871, 465742, 931484, 3027323, 6054646, 12109292, 39355199, 78710398, 157420796]

約数ペア:

[(1, 157420796), (2, 78710398), (4, 39355199), (13, 12109292), (26, 6054646), (52, 3027323), (169, 931484), (338, 465742), (676, 232871)]