1639456

素因数分解:

$2^5\times 7^1\times {\mathrm{13}}^1\times {\mathrm{563}}^1$

素因数の和:593

約数の個数: 48

約数和(自身を含む): 3979584

約数和(自身を除く): 2340128

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 32, 52, 56, 91, 104, 112, 182, 208, 224, 364, 416, 563, 728, 1126, 1456, 2252, 2912, 3941, 4504, 7319, 7882, 9008, 14638, 15764, 18016, 29276, 31528, 51233, 58552, 63056, 102466, 117104, 126112, 204932, 234208, 409864, 819728, 1639456]

約数ペア:

[(1, 1639456), (2, 819728), (4, 409864), (7, 234208), (8, 204932), (13, 126112), (14, 117104), (16, 102466), (26, 63056), (28, 58552), (32, 51233), (52, 31528), (56, 29276), (91, 18016), (104, 15764), (112, 14638), (182, 9008), (208, 7882), (224, 7319), (364, 4504), (416, 3941), (563, 2912), (728, 2252), (1126, 1456)]