890243389

素因数分解:

$7^1\times {\mathrm{59}}^1\times {\mathrm{653}}^1\times {\mathrm{3301}}^1$

素因数の和:4020

約数の個数: 16

約数和(自身を含む): 1036563840

約数和(自身を除く): 146320451

約数列:

[1, 7, 59, 413, 653, 3301, 4571, 23107, 38527, 194759, 269689, 1363313, 2155553, 15088871, 127177627, 890243389]

約数ペア:

[(1, 890243389), (7, 127177627), (59, 15088871), (413, 2155553), (653, 1363313), (3301, 269689), (4571, 194759), (23107, 38527)]