1238291089

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{421}}^1\times {\mathrm{18269}}^1$

素因数の和:18720

約数の個数: 16

約数和(自身を含む): 1480308480

約数和(自身を除く): 242017391

約数列:

[1, 7, 23, 161, 421, 2947, 9683, 18269, 67781, 127883, 420187, 2941309, 7691249, 53838743, 176898727, 1238291089]

約数ペア:

[(1, 1238291089), (7, 176898727), (23, 53838743), (161, 7691249), (421, 2941309), (2947, 420187), (9683, 127883), (18269, 67781)]