278431128

素因数分解:

$2^3\times 3^3\times {\mathrm{97}}^2\times {\mathrm{137}}^1$

素因数の和:346

約数の個数: 96

約数和(自身を含む): 787179600

約数和(自身を除く): 508748472

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 54, 72, 97, 108, 137, 194, 216, 274, 291, 388, 411, 548, 582, 776, 822, 873, 1096, 1164, 1233, 1644, 1746, 2328, 2466, 2619, 3288, 3492, 3699, 4932, 5238, 6984, 7398, 9409, 9864, 10476, 13289, 14796, 18818, 20952, 26578, 28227, 29592, 37636, 39867, 53156, 56454, 75272, 79734, 84681, 106312, 112908, 119601, 159468, 169362, 225816, 239202, 254043, 318936, 338724, 358803, 478404, 508086, 677448, 717606, 956808, 1016172, 1289033, 1435212, 2032344, 2578066, 2870424, 3867099, 5156132, 7734198, 10312264, 11601297, 15468396, 23202594, 30936792, 34803891, 46405188, 69607782, 92810376, 139215564, 278431128]

約数ペア:

[(1, 278431128), (2, 139215564), (3, 92810376), (4, 69607782), (6, 46405188), (8, 34803891), (9, 30936792), (12, 23202594), (18, 15468396), (24, 11601297), (27, 10312264), (36, 7734198), (54, 5156132), (72, 3867099), (97, 2870424), (108, 2578066), (137, 2032344), (194, 1435212), (216, 1289033), (274, 1016172), (291, 956808), (388, 717606), (411, 677448), (548, 508086), (582, 478404), (776, 358803), (822, 338724), (873, 318936), (1096, 254043), (1164, 239202), (1233, 225816), (1644, 169362), (1746, 159468), (2328, 119601), (2466, 112908), (2619, 106312), (3288, 84681), (3492, 79734), (3699, 75272), (4932, 56454), (5238, 53156), (6984, 39867), (7398, 37636), (9409, 29592), (9864, 28227), (10476, 26578), (13289, 20952), (14796, 18818)]