666386975

素因数分解:

$5^2\times {\mathrm{197}}^1\times {\mathrm{269}}^1\times {\mathrm{503}}^1$

素因数の和:979

約数の個数: 24

約数和(自身を含む): 835259040

約数和(自身を除く): 168872065

約数列:

[1, 5, 25, 197, 269, 503, 985, 1345, 2515, 4925, 6725, 12575, 52993, 99091, 135307, 264965, 495455, 676535, 1324825, 2477275, 3382675, 26655479, 133277395, 666386975]

約数ペア:

[(1, 666386975), (5, 133277395), (25, 26655479), (197, 3382675), (269, 2477275), (503, 1324825), (985, 676535), (1345, 495455), (2515, 264965), (4925, 135307), (6725, 99091), (12575, 52993)]