64736686

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^2\times {\mathrm{12809}}^1$

素因数の和:12856

約数の個数: 24

約数和(自身を含む): 117134640

約数和(自身を除く): 52397954

約数列:

[1, 2, 7, 14, 19, 38, 133, 266, 361, 722, 2527, 5054, 12809, 25618, 89663, 179326, 243371, 486742, 1703597, 3407194, 4624049, 9248098, 32368343, 64736686]

約数ペア:

[(1, 64736686), (2, 32368343), (7, 9248098), (14, 4624049), (19, 3407194), (38, 1703597), (133, 486742), (266, 243371), (361, 179326), (722, 89663), (2527, 25618), (5054, 12809)]