81210012

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{12697}}^1$

素因数の和:12758

約数の個数: 48

約数和(自身を含む): 209059872

約数和(自身を除く): 127849860

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 41, 52, 78, 82, 123, 156, 164, 246, 492, 533, 1066, 1599, 2132, 3198, 6396, 12697, 25394, 38091, 50788, 76182, 152364, 165061, 330122, 495183, 520577, 660244, 990366, 1041154, 1561731, 1980732, 2082308, 3123462, 6246924, 6767501, 13535002, 20302503, 27070004, 40605006, 81210012]

約数ペア:

[(1, 81210012), (2, 40605006), (3, 27070004), (4, 20302503), (6, 13535002), (12, 6767501), (13, 6246924), (26, 3123462), (39, 2082308), (41, 1980732), (52, 1561731), (78, 1041154), (82, 990366), (123, 660244), (156, 520577), (164, 495183), (246, 330122), (492, 165061), (533, 152364), (1066, 76182), (1599, 50788), (2132, 38091), (3198, 25394), (6396, 12697)]