856345984

素因数分解:

$2^7\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{1277}}^1$

素因数の和:1348

約数の個数: 96

約数和(自身を含む): 1908411840

約数和(自身を除く): 1052065856

約数列:

[1, 2, 4, 8, 13, 16, 26, 31, 32, 52, 62, 64, 104, 124, 128, 169, 208, 248, 338, 403, 416, 496, 676, 806, 832, 992, 1277, 1352, 1612, 1664, 1984, 2554, 2704, 3224, 3968, 5108, 5239, 5408, 6448, 10216, 10478, 10816, 12896, 16601, 20432, 20956, 21632, 25792, 33202, 39587, 40864, 41912, 51584, 66404, 79174, 81728, 83824, 132808, 158348, 163456, 167648, 215813, 265616, 316696, 335296, 431626, 514631, 531232, 633392, 670592, 863252, 1029262, 1062464, 1266784, 1726504, 2058524, 2124928, 2533568, 3453008, 4117048, 5067136, 6690203, 6906016, 8234096, 13380406, 13812032, 16468192, 26760812, 27624064, 32936384, 53521624, 65872768, 107043248, 214086496, 428172992, 856345984]

約数ペア:

[(1, 856345984), (2, 428172992), (4, 214086496), (8, 107043248), (13, 65872768), (16, 53521624), (26, 32936384), (31, 27624064), (32, 26760812), (52, 16468192), (62, 13812032), (64, 13380406), (104, 8234096), (124, 6906016), (128, 6690203), (169, 5067136), (208, 4117048), (248, 3453008), (338, 2533568), (403, 2124928), (416, 2058524), (496, 1726504), (676, 1266784), (806, 1062464), (832, 1029262), (992, 863252), (1277, 670592), (1352, 633392), (1612, 531232), (1664, 514631), (1984, 431626), (2554, 335296), (2704, 316696), (3224, 265616), (3968, 215813), (5108, 167648), (5239, 163456), (5408, 158348), (6448, 132808), (10216, 83824), (10478, 81728), (10816, 79174), (12896, 66404), (16601, 51584), (20432, 41912), (20956, 40864), (21632, 39587), (25792, 33202)]