16781232104

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{19387}}^1$

素因数の和:19483

約数の個数: 128

約数和(自身を含む): 41040518400

約数和(自身を除く): 24259286296

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 29, 41, 52, 56, 58, 82, 91, 104, 116, 164, 182, 203, 232, 287, 328, 364, 377, 406, 533, 574, 728, 754, 812, 1066, 1148, 1189, 1508, 1624, 2132, 2296, 2378, 2639, 3016, 3731, 4264, 4756, 5278, 7462, 8323, 9512, 10556, 14924, 15457, 16646, 19387, 21112, 29848, 30914, 33292, 38774, 61828, 66584, 77548, 108199, 123656, 135709, 155096, 216398, 252031, 271418, 432796, 504062, 542836, 562223, 794867, 865592, 1008124, 1085672, 1124446, 1589734, 1764217, 2016248, 2248892, 3179468, 3528434, 3935561, 4497784, 5564069, 6358936, 7056868, 7308899, 7871122, 10333271, 11128138, 14113736, 14617798, 15742244, 20666542, 22256276, 23051143, 29235596, 31484488, 41333084, 44512552, 46102286, 51162293, 58471192, 72332897, 82666168, 92204572, 102324586, 144665794, 161358001, 184409144, 204649172, 289331588, 299664859, 322716002, 409298344, 578663176, 599329718, 645432004, 1198659436, 1290864008, 2097654013, 2397318872, 4195308026, 8390616052, 16781232104]

約数ペア:

[(1, 16781232104), (2, 8390616052), (4, 4195308026), (7, 2397318872), (8, 2097654013), (13, 1290864008), (14, 1198659436), (26, 645432004), (28, 599329718), (29, 578663176), (41, 409298344), (52, 322716002), (56, 299664859), (58, 289331588), (82, 204649172), (91, 184409144), (104, 161358001), (116, 144665794), (164, 102324586), (182, 92204572), (203, 82666168), (232, 72332897), (287, 58471192), (328, 51162293), (364, 46102286), (377, 44512552), (406, 41333084), (533, 31484488), (574, 29235596), (728, 23051143), (754, 22256276), (812, 20666542), (1066, 15742244), (1148, 14617798), (1189, 14113736), (1508, 11128138), (1624, 10333271), (2132, 7871122), (2296, 7308899), (2378, 7056868), (2639, 6358936), (3016, 5564069), (3731, 4497784), (4264, 3935561), (4756, 3528434), (5278, 3179468), (7462, 2248892), (8323, 2016248), (9512, 1764217), (10556, 1589734), (14924, 1124446), (15457, 1085672), (16646, 1008124), (19387, 865592), (21112, 794867), (29848, 562223), (30914, 542836), (33292, 504062), (38774, 432796), (61828, 271418), (66584, 252031), (77548, 216398), (108199, 155096), (123656, 135709)]