51215437

素因数分解:

$7^2\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{41}}^1\times {\mathrm{53}}^1$

素因数の和:158

約数の個数: 48

約数和(自身を含む): 68774832

約数和(自身を除く): 17559395

約数列:

[1, 7, 13, 37, 41, 49, 53, 91, 259, 287, 371, 481, 533, 637, 689, 1517, 1813, 1961, 2009, 2173, 2597, 3367, 3731, 4823, 10619, 13727, 15211, 19721, 23569, 25493, 26117, 28249, 33761, 74333, 80401, 96089, 106477, 138047, 178451, 197743, 562807, 966329, 1045213, 1249157, 1384201, 3939649, 7316491, 51215437]

約数ペア:

[(1, 51215437), (7, 7316491), (13, 3939649), (37, 1384201), (41, 1249157), (49, 1045213), (53, 966329), (91, 562807), (259, 197743), (287, 178451), (371, 138047), (481, 106477), (533, 96089), (637, 80401), (689, 74333), (1517, 33761), (1813, 28249), (1961, 26117), (2009, 25493), (2173, 23569), (2597, 19721), (3367, 15211), (3731, 13727), (4823, 10619)]