275280481

素因数分解:

$7^3\times {\mathrm{37}}^1\times {\mathrm{109}}^1\times {\mathrm{199}}^1$

素因数の和:366

約数の個数: 32

約数和(自身を含む): 334400000

約数和(自身を除く): 59119519

約数列:

[1, 7, 37, 49, 109, 199, 259, 343, 763, 1393, 1813, 4033, 5341, 7363, 9751, 12691, 21691, 28231, 37387, 51541, 68257, 151837, 197617, 360787, 802567, 1062859, 1383319, 2525509, 5617969, 7440013, 39325783, 275280481]

約数ペア:

[(1, 275280481), (7, 39325783), (37, 7440013), (49, 5617969), (109, 2525509), (199, 1383319), (259, 1062859), (343, 802567), (763, 360787), (1393, 197617), (1813, 151837), (4033, 68257), (5341, 51541), (7363, 37387), (9751, 28231), (12691, 21691)]