85778615

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{181}}^1\times {\mathrm{317}}^1$

素因数の和:539

約数の個数: 32

約数和(自身を含む): 116678016

約数和(自身を除く): 30899401

約数列:

[1, 5, 13, 23, 65, 115, 181, 299, 317, 905, 1495, 1585, 2353, 4121, 4163, 7291, 11765, 20605, 20815, 36455, 54119, 57377, 94783, 270595, 286885, 473915, 745901, 1319671, 3729505, 6598355, 17155723, 85778615]

約数ペア:

[(1, 85778615), (5, 17155723), (13, 6598355), (23, 3729505), (65, 1319671), (115, 745901), (181, 473915), (299, 286885), (317, 270595), (905, 94783), (1495, 57377), (1585, 54119), (2353, 36455), (4121, 20815), (4163, 20605), (7291, 11765)]