198589945

素因数分解:

$5^1\times {\mathrm{229}}^1\times {\mathrm{251}}^1\times {\mathrm{691}}^1$

素因数の和:1176

約数の個数: 16

約数和(自身を含む): 240649920

約数和(自身を除く): 42059975

約数列:

[1, 5, 229, 251, 691, 1145, 1255, 3455, 57479, 158239, 173441, 287395, 791195, 867205, 39717989, 198589945]

約数ペア:

[(1, 198589945), (5, 39717989), (229, 867205), (251, 791195), (691, 287395), (1145, 173441), (1255, 158239), (3455, 57479)]