26400652

素因数分解:

$2^2\times {\mathrm{19}}^2\times {\mathrm{47}}^1\times {\mathrm{389}}^1$

素因数の和:478

約数の個数: 36

約数和(自身を含む): 49926240

約数和(自身を除く): 23525588

約数列:

[1, 2, 4, 19, 38, 47, 76, 94, 188, 361, 389, 722, 778, 893, 1444, 1556, 1786, 3572, 7391, 14782, 16967, 18283, 29564, 33934, 36566, 67868, 73132, 140429, 280858, 347377, 561716, 694754, 1389508, 6600163, 13200326, 26400652]

約数ペア:

[(1, 26400652), (2, 13200326), (4, 6600163), (19, 1389508), (38, 694754), (47, 561716), (76, 347377), (94, 280858), (188, 140429), (361, 73132), (389, 67868), (722, 36566), (778, 33934), (893, 29564), (1444, 18283), (1556, 16967), (1786, 14782), (3572, 7391)]