77278789

素因数分解:

$7^1\times {\mathrm{89}}^1\times {\mathrm{163}}^1\times {\mathrm{761}}^1$

素因数の和:1020

約数の個数: 16

約数和(自身を含む): 89976960

約数和(自身を除く): 12698171

約数列:

[1, 7, 89, 163, 623, 761, 1141, 5327, 14507, 67729, 101549, 124043, 474103, 868301, 11039827, 77278789]

約数ペア:

[(1, 77278789), (7, 11039827), (89, 868301), (163, 474103), (623, 124043), (761, 101549), (1141, 67729), (5327, 14507)]