776841121

素因数分解:

$7^1\times {\mathrm{31}}^1\times {\mathrm{191}}^1\times {\mathrm{18743}}^1$

素因数の和:18972

約数の個数: 16

約数和(自身を含む): 921305088

約数和(自身を除く): 144463967

約数列:

[1, 7, 31, 191, 217, 1337, 5921, 18743, 41447, 131201, 581033, 3579913, 4067231, 25059391, 110977303, 776841121]

約数ペア:

[(1, 776841121), (7, 110977303), (31, 25059391), (191, 4067231), (217, 3579913), (1337, 581033), (5921, 131201), (18743, 41447)]