643422

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{113}}^1$

素因数の和:204

約数の個数: 32

約数和(自身を含む): 1417248

約数和(自身を除く): 773826

約数列:

[1, 2, 3, 6, 13, 26, 39, 73, 78, 113, 146, 219, 226, 339, 438, 678, 949, 1469, 1898, 2847, 2938, 4407, 5694, 8249, 8814, 16498, 24747, 49494, 107237, 214474, 321711, 643422]

約数ペア:

[(1, 643422), (2, 321711), (3, 214474), (6, 107237), (13, 49494), (26, 24747), (39, 16498), (73, 8814), (78, 8249), (113, 5694), (146, 4407), (219, 2938), (226, 2847), (339, 1898), (438, 1469), (678, 949)]