255591036743

素因数分解:

$7^2\times {\mathrm{31}}^1\times {\mathrm{139}}^1\times {\mathrm{1210523}}^1$

素因数の和:1210707

約数の個数: 24

約数和(自身を含む): 309119408640

約数和(自身を除く): 53528371897

約数列:

[1, 7, 31, 49, 139, 217, 973, 1519, 4309, 6811, 30163, 211141, 1210523, 8473661, 37526213, 59315627, 168262697, 262683491, 1177838879, 1838784437, 5216143607, 8244872153, 36513005249, 255591036743]

約数ペア:

[(1, 255591036743), (7, 36513005249), (31, 8244872153), (49, 5216143607), (139, 1838784437), (217, 1177838879), (973, 262683491), (1519, 168262697), (4309, 59315627), (6811, 37526213), (30163, 8473661), (211141, 1210523)]