808321775

素因数分解:

$5^2\times {\mathrm{23}}^1\times {\mathrm{397}}^1\times {\mathrm{3541}}^1$

素因数の和:3971

約数の個数: 24

約数和(自身を含む): 1048828704

約数和(自身を除く): 240506929

約数列:

[1, 5, 23, 25, 115, 397, 575, 1985, 3541, 9131, 9925, 17705, 45655, 81443, 88525, 228275, 407215, 1405777, 2036075, 7028885, 32332871, 35144425, 161664355, 808321775]

約数ペア:

[(1, 808321775), (5, 161664355), (23, 35144425), (25, 32332871), (115, 7028885), (397, 2036075), (575, 1405777), (1985, 407215), (3541, 228275), (9131, 88525), (9925, 81443), (17705, 45655)]