90021449

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{683}}^1\times {\mathrm{991}}^1$

素因数の和:1700

約数の個数: 16

約数和(自身を含む): 108564480

約数和(自身を除く): 18543031

約数列:

[1, 7, 19, 133, 683, 991, 4781, 6937, 12977, 18829, 90839, 131803, 676853, 4737971, 12860207, 90021449]

約数ペア:

[(1, 90021449), (7, 12860207), (19, 4737971), (133, 676853), (683, 131803), (991, 90839), (4781, 18829), (6937, 12977)]