89823671

素因数分解:

$7^1\times {\mathrm{23}}^2\times {\mathrm{127}}^1\times {\mathrm{191}}^1$

素因数の和:371

約数の個数: 24

約数和(自身を含む): 108724224

約数和(自身を除く): 18900553

約数列:

[1, 7, 23, 127, 161, 191, 529, 889, 1337, 2921, 3703, 4393, 20447, 24257, 30751, 67183, 101039, 169799, 470281, 557911, 707273, 3905377, 12831953, 89823671]

約数ペア:

[(1, 89823671), (7, 12831953), (23, 3905377), (127, 707273), (161, 557911), (191, 470281), (529, 169799), (889, 101039), (1337, 67183), (2921, 30751), (3703, 24257), (4393, 20447)]