247481507

素因数分解:

$7^2\times {\mathrm{13}}^1\times {\mathrm{443}}^1\times {\mathrm{877}}^1$

素因数の和:1347

約数の個数: 24

約数和(自身を含む): 311085936

約数和(自身を除く): 63604429

約数列:

[1, 7, 13, 49, 91, 443, 637, 877, 3101, 5759, 6139, 11401, 21707, 40313, 42973, 79807, 282191, 388511, 558649, 2719577, 5050643, 19037039, 35354501, 247481507]

約数ペア:

[(1, 247481507), (7, 35354501), (13, 19037039), (49, 5050643), (91, 2719577), (443, 558649), (637, 388511), (877, 282191), (3101, 79807), (5759, 42973), (6139, 40313), (11401, 21707)]