81374384

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{55889}}^1$

素因数の和:55917

約数の個数: 40

約数和(自身を含む): 194050080

約数和(自身を除く): 112675696

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 52, 56, 91, 104, 112, 182, 208, 364, 728, 1456, 55889, 111778, 223556, 391223, 447112, 726557, 782446, 894224, 1453114, 1564892, 2906228, 3129784, 5085899, 5812456, 6259568, 10171798, 11624912, 20343596, 40687192, 81374384]

約数ペア:

[(1, 81374384), (2, 40687192), (4, 20343596), (7, 11624912), (8, 10171798), (13, 6259568), (14, 5812456), (16, 5085899), (26, 3129784), (28, 2906228), (52, 1564892), (56, 1453114), (91, 894224), (104, 782446), (112, 726557), (182, 447112), (208, 391223), (364, 223556), (728, 111778), (1456, 55889)]