81947937290

素因数分解:

$2^1\times 5^1\times {\mathrm{9043}}^1\times {\mathrm{906203}}^1$

素因数の和:915253

約数の個数: 16

約数和(自身を含む): 147522761568

約数和(自身を除く): 65574824278

約数列:

[1, 2, 5, 10, 9043, 18086, 45215, 90430, 906203, 1812406, 4531015, 9062030, 8194793729, 16389587458, 40973968645, 81947937290]

約数ペア:

[(1, 81947937290), (2, 40973968645), (5, 16389587458), (10, 8194793729), (9043, 9062030), (18086, 4531015), (45215, 1812406), (90430, 906203)]