189978865

素因数分解:

$5^1\times {\mathrm{97}}^1\times {\mathrm{103}}^1\times {\mathrm{3803}}^1$

素因数の和:4008

約数の個数: 16

約数和(自身を含む): 232622208

約数和(自身を除く): 42643343

約数列:

[1, 5, 97, 103, 485, 515, 3803, 9991, 19015, 49955, 368891, 391709, 1844455, 1958545, 37995773, 189978865]

約数ペア:

[(1, 189978865), (5, 37995773), (97, 1958545), (103, 1844455), (485, 391709), (515, 368891), (3803, 49955), (9991, 19015)]