1680989891

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{1619}}^1\times {\mathrm{6449}}^1$

素因数の和:8098

約数の個数: 16

約数和(自身を含む): 2006208000

約数和(自身を除く): 325218109

約数列:

[1, 7, 23, 161, 1619, 6449, 11333, 37237, 45143, 148327, 260659, 1038289, 10440931, 73086517, 240141413, 1680989891]

約数ペア:

[(1, 1680989891), (7, 240141413), (23, 73086517), (161, 10440931), (1619, 1038289), (6449, 260659), (11333, 148327), (37237, 45143)]