205122704656

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{674745739}}^1$

素因数の和:674745766

約数の個数: 20

約数和(自身を含む): 418342358800

約数和(自身を除く): 213219654144

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 674745739, 1349491478, 2698982956, 5397965912, 10795931824, 12820169041, 25640338082, 51280676164, 102561352328, 205122704656]

約数ペア:

[(1, 205122704656), (2, 102561352328), (4, 51280676164), (8, 25640338082), (16, 12820169041), (19, 10795931824), (38, 5397965912), (76, 2698982956), (152, 1349491478), (304, 674745739)]