25705898

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{389}}^1$

素因数の和:494

約数の個数: 32

約数和(自身を含む): 42681600

約数和(自身を除く): 16975702

約数列:

[1, 2, 19, 37, 38, 47, 74, 94, 389, 703, 778, 893, 1406, 1739, 1786, 3478, 7391, 14393, 14782, 18283, 28786, 33041, 36566, 66082, 273467, 347377, 546934, 676471, 694754, 1352942, 12852949, 25705898]

約数ペア:

[(1, 25705898), (2, 12852949), (19, 1352942), (37, 694754), (38, 676471), (47, 546934), (74, 347377), (94, 273467), (389, 66082), (703, 36566), (778, 33041), (893, 28786), (1406, 18283), (1739, 14782), (1786, 14393), (3478, 7391)]