81667404

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{257}}^1$

素因数の和:384

約数の個数: 144

約数和(自身を含む): 257694528

約数和(自身を除く): 176027124

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 13, 14, 18, 21, 26, 28, 36, 39, 42, 52, 63, 78, 84, 91, 97, 117, 126, 156, 182, 194, 234, 252, 257, 273, 291, 364, 388, 468, 514, 546, 582, 679, 771, 819, 873, 1028, 1092, 1164, 1261, 1358, 1542, 1638, 1746, 1799, 2037, 2313, 2522, 2716, 3084, 3276, 3341, 3492, 3598, 3783, 4074, 4626, 5044, 5397, 6111, 6682, 7196, 7566, 8148, 8827, 9252, 10023, 10794, 11349, 12222, 13364, 15132, 16191, 17654, 20046, 21588, 22698, 23387, 24444, 24929, 26481, 30069, 32382, 35308, 40092, 45396, 46774, 49858, 52962, 60138, 64764, 70161, 74787, 79443, 93548, 99716, 105924, 120276, 140322, 149574, 158886, 174503, 210483, 224361, 280644, 299148, 317772, 324077, 349006, 420966, 448722, 523509, 648154, 698012, 841932, 897444, 972231, 1047018, 1296308, 1570527, 1944462, 2094036, 2268539, 2916693, 3141054, 3888924, 4537078, 5833386, 6282108, 6805617, 9074156, 11666772, 13611234, 20416851, 27222468, 40833702, 81667404]

約数ペア:

[(1, 81667404), (2, 40833702), (3, 27222468), (4, 20416851), (6, 13611234), (7, 11666772), (9, 9074156), (12, 6805617), (13, 6282108), (14, 5833386), (18, 4537078), (21, 3888924), (26, 3141054), (28, 2916693), (36, 2268539), (39, 2094036), (42, 1944462), (52, 1570527), (63, 1296308), (78, 1047018), (84, 972231), (91, 897444), (97, 841932), (117, 698012), (126, 648154), (156, 523509), (182, 448722), (194, 420966), (234, 349006), (252, 324077), (257, 317772), (273, 299148), (291, 280644), (364, 224361), (388, 210483), (468, 174503), (514, 158886), (546, 149574), (582, 140322), (679, 120276), (771, 105924), (819, 99716), (873, 93548), (1028, 79443), (1092, 74787), (1164, 70161), (1261, 64764), (1358, 60138), (1542, 52962), (1638, 49858), (1746, 46774), (1799, 45396), (2037, 40092), (2313, 35308), (2522, 32382), (2716, 30069), (3084, 26481), (3276, 24929), (3341, 24444), (3492, 23387), (3598, 22698), (3783, 21588), (4074, 20046), (4626, 17654), (5044, 16191), (5397, 15132), (6111, 13364), (6682, 12222), (7196, 11349), (7566, 10794), (8148, 10023), (8827, 9252)]