64697128

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{433}}^1\times {\mathrm{983}}^1$

素因数の和:1441

約数の個数: 32

約数和(自身を含む): 128116800

約数和(自身を除く): 63419672

約数列:

[1, 2, 4, 8, 19, 38, 76, 152, 433, 866, 983, 1732, 1966, 3464, 3932, 7864, 8227, 16454, 18677, 32908, 37354, 65816, 74708, 149416, 425639, 851278, 1702556, 3405112, 8087141, 16174282, 32348564, 64697128]

約数ペア:

[(1, 64697128), (2, 32348564), (4, 16174282), (8, 8087141), (19, 3405112), (38, 1702556), (76, 851278), (152, 425639), (433, 149416), (866, 74708), (983, 65816), (1732, 37354), (1966, 32908), (3464, 18677), (3932, 16454), (7864, 8227)]