2080872563

素因数分解:

$7^2\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{151}}^1\times {\mathrm{691}}^1$

素因数の和:904

約数の個数: 48

約数和(自身を含む): 2733942528

約数和(自身を除く): 653069965

約数列:

[1, 7, 11, 37, 49, 77, 151, 259, 407, 539, 691, 1057, 1661, 1813, 2849, 4837, 5587, 7399, 7601, 11627, 19943, 25567, 33859, 39109, 53207, 61457, 81389, 104341, 178969, 273763, 281237, 372449, 430199, 730387, 1147751, 1252783, 1968659, 3011393, 3860617, 5112709, 8034257, 13780613, 27024319, 42466787, 56239799, 189170233, 297267509, 2080872563]

約数ペア:

[(1, 2080872563), (7, 297267509), (11, 189170233), (37, 56239799), (49, 42466787), (77, 27024319), (151, 13780613), (259, 8034257), (407, 5112709), (539, 3860617), (691, 3011393), (1057, 1968659), (1661, 1252783), (1813, 1147751), (2849, 730387), (4837, 430199), (5587, 372449), (7399, 281237), (7601, 273763), (11627, 178969), (19943, 104341), (25567, 81389), (33859, 61457), (39109, 53207)]