78067388

素因数分解:

$2^2\times 7^2\times {\mathrm{398303}}^1$

素因数の和:398321

約数の個数: 18

約数和(自身を含む): 158923296

約数和(自身を除く): 80855908

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 398303, 796606, 1593212, 2788121, 5576242, 11152484, 19516847, 39033694, 78067388]

約数ペア:

[(1, 78067388), (2, 39033694), (4, 19516847), (7, 11152484), (14, 5576242), (28, 2788121), (49, 1593212), (98, 796606), (196, 398303)]