81691848

素因数分解:

$2^3\times 3^3\times 7^1\times {\mathrm{97}}^1\times {\mathrm{557}}^1$

素因数の和:676

約数の個数: 128

約数和(自身を含む): 262483200

約数和(自身を除く): 180791352

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 24, 27, 28, 36, 42, 54, 56, 63, 72, 84, 97, 108, 126, 168, 189, 194, 216, 252, 291, 378, 388, 504, 557, 582, 679, 756, 776, 873, 1114, 1164, 1358, 1512, 1671, 1746, 2037, 2228, 2328, 2619, 2716, 3342, 3492, 3899, 4074, 4456, 5013, 5238, 5432, 6111, 6684, 6984, 7798, 8148, 10026, 10476, 11697, 12222, 13368, 15039, 15596, 16296, 18333, 20052, 20952, 23394, 24444, 30078, 31192, 35091, 36666, 40104, 46788, 48888, 54029, 60156, 70182, 73332, 93576, 105273, 108058, 120312, 140364, 146664, 162087, 210546, 216116, 280728, 324174, 378203, 421092, 432232, 486261, 648348, 756406, 842184, 972522, 1134609, 1296696, 1458783, 1512812, 1945044, 2269218, 2917566, 3025624, 3403827, 3890088, 4538436, 5835132, 6807654, 9076872, 10211481, 11670264, 13615308, 20422962, 27230616, 40845924, 81691848]

約数ペア:

[(1, 81691848), (2, 40845924), (3, 27230616), (4, 20422962), (6, 13615308), (7, 11670264), (8, 10211481), (9, 9076872), (12, 6807654), (14, 5835132), (18, 4538436), (21, 3890088), (24, 3403827), (27, 3025624), (28, 2917566), (36, 2269218), (42, 1945044), (54, 1512812), (56, 1458783), (63, 1296696), (72, 1134609), (84, 972522), (97, 842184), (108, 756406), (126, 648348), (168, 486261), (189, 432232), (194, 421092), (216, 378203), (252, 324174), (291, 280728), (378, 216116), (388, 210546), (504, 162087), (557, 146664), (582, 140364), (679, 120312), (756, 108058), (776, 105273), (873, 93576), (1114, 73332), (1164, 70182), (1358, 60156), (1512, 54029), (1671, 48888), (1746, 46788), (2037, 40104), (2228, 36666), (2328, 35091), (2619, 31192), (2716, 30078), (3342, 24444), (3492, 23394), (3899, 20952), (4074, 20052), (4456, 18333), (5013, 16296), (5238, 15596), (5432, 15039), (6111, 13368), (6684, 12222), (6984, 11697), (7798, 10476), (8148, 10026)]