2021630215

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{461}}^1\times {\mathrm{1123}}^1$

素因数の和:1671

約数の個数: 32

約数和(自身を含む): 2691988992

約数和(自身を除く): 670358777

約数列:

[1, 5, 11, 55, 71, 355, 461, 781, 1123, 2305, 3905, 5071, 5615, 12353, 25355, 32731, 61765, 79733, 163655, 360041, 398665, 517703, 877063, 1800205, 2588515, 4385315, 5694733, 28473665, 36756913, 183784565, 404326043, 2021630215]

約数ペア:

[(1, 2021630215), (5, 404326043), (11, 183784565), (55, 36756913), (71, 28473665), (355, 5694733), (461, 4385315), (781, 2588515), (1123, 1800205), (2305, 877063), (3905, 517703), (5071, 398665), (5615, 360041), (12353, 163655), (25355, 79733), (32731, 61765)]