4490213

素因数分解:

$7^3\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1$

素因数の和:106

約数の個数: 32

約数和(自身を含む): 6048000

約数和(自身を除く): 1557787

約数列:

[1, 7, 13, 19, 49, 53, 91, 133, 247, 343, 371, 637, 689, 931, 1007, 1729, 2597, 4459, 4823, 6517, 7049, 12103, 13091, 18179, 33761, 49343, 84721, 91637, 236327, 345401, 641459, 4490213]

約数ペア:

[(1, 4490213), (7, 641459), (13, 345401), (19, 236327), (49, 91637), (53, 84721), (91, 49343), (133, 33761), (247, 18179), (343, 13091), (371, 12103), (637, 7049), (689, 6517), (931, 4823), (1007, 4459), (1729, 2597)]