26391589

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{3253}}^1$

素因数の和:3340

約数の個数: 16

約数和(自身を含む): 32279680

約数和(自身を除く): 5888091

約数列:

[1, 7, 19, 61, 133, 427, 1159, 3253, 8113, 22771, 61807, 198433, 432649, 1389031, 3770227, 26391589]

約数ペア:

[(1, 26391589), (7, 3770227), (19, 1389031), (61, 432649), (133, 198433), (427, 61807), (1159, 22771), (3253, 8113)]