64291948

素因数分解:

$2^2\times 7^1\times {\mathrm{139}}^1\times {\mathrm{16519}}^1$

素因数の和:16669

約数の個数: 24

約数和(自身を含む): 129516800

約数和(自身を除く): 65224852

約数列:

[1, 2, 4, 7, 14, 28, 139, 278, 556, 973, 1946, 3892, 16519, 33038, 66076, 115633, 231266, 462532, 2296141, 4592282, 9184564, 16072987, 32145974, 64291948]

約数ペア:

[(1, 64291948), (2, 32145974), (4, 16072987), (7, 9184564), (14, 4592282), (28, 2296141), (139, 462532), (278, 231266), (556, 115633), (973, 66076), (1946, 33038), (3892, 16519)]