1640189824

素因数分解:

$2^7\times 7^1\times {\mathrm{13}}^1\times {\mathrm{140813}}^1$

素因数の和:140847

約数の個数: 64

約数和(自身を含む): 4021647840

約数和(自身を除く): 2381458016

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 32, 52, 56, 64, 91, 104, 112, 128, 182, 208, 224, 364, 416, 448, 728, 832, 896, 1456, 1664, 2912, 5824, 11648, 140813, 281626, 563252, 985691, 1126504, 1830569, 1971382, 2253008, 3661138, 3942764, 4506016, 7322276, 7885528, 9012032, 12813983, 14644552, 15771056, 18024064, 25627966, 29289104, 31542112, 51255932, 58578208, 63084224, 102511864, 117156416, 126168448, 205023728, 234312832, 410047456, 820094912, 1640189824]

約数ペア:

[(1, 1640189824), (2, 820094912), (4, 410047456), (7, 234312832), (8, 205023728), (13, 126168448), (14, 117156416), (16, 102511864), (26, 63084224), (28, 58578208), (32, 51255932), (52, 31542112), (56, 29289104), (64, 25627966), (91, 18024064), (104, 15771056), (112, 14644552), (128, 12813983), (182, 9012032), (208, 7885528), (224, 7322276), (364, 4506016), (416, 3942764), (448, 3661138), (728, 2253008), (832, 1971382), (896, 1830569), (1456, 1126504), (1664, 985691), (2912, 563252), (5824, 281626), (11648, 140813)]