1640485432

素因数分解:

$2^3\times {\mathrm{43}}^1\times {\mathrm{881}}^1\times {\mathrm{5413}}^1$

素因数の和:6343

約数の個数: 32

約数和(自身を含む): 3151597680

約数和(自身を除く): 1511112248

約数列:

[1, 2, 4, 8, 43, 86, 172, 344, 881, 1762, 3524, 5413, 7048, 10826, 21652, 37883, 43304, 75766, 151532, 232759, 303064, 465518, 931036, 1862072, 4768853, 9537706, 19075412, 38150824, 205060679, 410121358, 820242716, 1640485432]

約数ペア:

[(1, 1640485432), (2, 820242716), (4, 410121358), (8, 205060679), (43, 38150824), (86, 19075412), (172, 9537706), (344, 4768853), (881, 1862072), (1762, 931036), (3524, 465518), (5413, 303064), (7048, 232759), (10826, 151532), (21652, 75766), (37883, 43304)]