81455556

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{769}}^1$

素因数の和:893

約数の個数: 96

約数和(自身を含む): 236642560

約数和(自身を除く): 155187004

約数列:

[1, 2, 3, 4, 6, 7, 12, 13, 14, 21, 26, 28, 39, 42, 52, 78, 84, 91, 97, 156, 182, 194, 273, 291, 364, 388, 546, 582, 679, 769, 1092, 1164, 1261, 1358, 1538, 2037, 2307, 2522, 2716, 3076, 3783, 4074, 4614, 5044, 5383, 7566, 8148, 8827, 9228, 9997, 10766, 15132, 16149, 17654, 19994, 21532, 26481, 29991, 32298, 35308, 39988, 52962, 59982, 64596, 69979, 74593, 105924, 119964, 139958, 149186, 209937, 223779, 279916, 298372, 419874, 447558, 522151, 839748, 895116, 969709, 1044302, 1566453, 1939418, 2088604, 2909127, 3132906, 3878836, 5818254, 6265812, 6787963, 11636508, 13575926, 20363889, 27151852, 40727778, 81455556]

約数ペア:

[(1, 81455556), (2, 40727778), (3, 27151852), (4, 20363889), (6, 13575926), (7, 11636508), (12, 6787963), (13, 6265812), (14, 5818254), (21, 3878836), (26, 3132906), (28, 2909127), (39, 2088604), (42, 1939418), (52, 1566453), (78, 1044302), (84, 969709), (91, 895116), (97, 839748), (156, 522151), (182, 447558), (194, 419874), (273, 298372), (291, 279916), (364, 223779), (388, 209937), (546, 149186), (582, 139958), (679, 119964), (769, 105924), (1092, 74593), (1164, 69979), (1261, 64596), (1358, 59982), (1538, 52962), (2037, 39988), (2307, 35308), (2522, 32298), (2716, 29991), (3076, 26481), (3783, 21532), (4074, 19994), (4614, 17654), (5044, 16149), (5383, 15132), (7566, 10766), (8148, 9997), (8827, 9228)]