81909035

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{107}}^1\times {\mathrm{11777}}^1$

素因数の和:11902

約数の個数: 16

約数和(自身を含む): 106850016

約数和(自身を除く): 24940981

約数列:

[1, 5, 13, 65, 107, 535, 1391, 6955, 11777, 58885, 153101, 765505, 1260139, 6300695, 16381807, 81909035]

約数ペア:

[(1, 81909035), (5, 16381807), (13, 6300695), (65, 1260139), (107, 765505), (535, 153101), (1391, 58885), (6955, 11777)]