81330482012

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{521}}^1\times {\mathrm{1129}}^1\times {\mathrm{2659}}^1$

素因数の和:4326

約数の個数: 48

約数和(自身を含む): 153764704800

約数和(自身を除く): 72434222788

約数列:

[1, 2, 4, 13, 26, 52, 521, 1042, 1129, 2084, 2258, 2659, 4516, 5318, 6773, 10636, 13546, 14677, 27092, 29354, 34567, 58708, 69134, 138268, 588209, 1176418, 1385339, 2352836, 2770678, 3002011, 5541356, 6004022, 7646717, 12008044, 15293434, 18009407, 30586868, 36018814, 39026143, 72037628, 78052286, 156104572, 1564047731, 3128095462, 6256190924, 20332620503, 40665241006, 81330482012]

約数ペア:

[(1, 81330482012), (2, 40665241006), (4, 20332620503), (13, 6256190924), (26, 3128095462), (52, 1564047731), (521, 156104572), (1042, 78052286), (1129, 72037628), (2084, 39026143), (2258, 36018814), (2659, 30586868), (4516, 18009407), (5318, 15293434), (6773, 12008044), (10636, 7646717), (13546, 6004022), (14677, 5541356), (27092, 3002011), (29354, 2770678), (34567, 2352836), (58708, 1385339), (69134, 1176418), (138268, 588209)]