25128254

素因数分解:

$2^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{149}}^1$

素因数の和:284

約数の個数: 32

約数和(自身を含む): 40629600

約数和(自身を除く): 15501346

約数列:

[1, 2, 37, 43, 53, 74, 86, 106, 149, 298, 1591, 1961, 2279, 3182, 3922, 4558, 5513, 6407, 7897, 11026, 12814, 15794, 84323, 168646, 237059, 292189, 339571, 474118, 584378, 679142, 12564127, 25128254]

約数ペア:

[(1, 25128254), (2, 12564127), (37, 679142), (43, 584378), (53, 474118), (74, 339571), (86, 292189), (106, 237059), (149, 168646), (298, 84323), (1591, 15794), (1961, 12814), (2279, 11026), (3182, 7897), (3922, 6407), (4558, 5513)]