217870028

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{709}}^1\times {\mathrm{4519}}^1$

素因数の和:5249

約数の個数: 24

約数和(自身を含む): 404359200

約数和(自身を除く): 186489172

約数列:

[1, 2, 4, 17, 34, 68, 709, 1418, 2836, 4519, 9038, 12053, 18076, 24106, 48212, 76823, 153646, 307292, 3203971, 6407942, 12815884, 54467507, 108935014, 217870028]

約数ペア:

[(1, 217870028), (2, 108935014), (4, 54467507), (17, 12815884), (34, 6407942), (68, 3203971), (709, 307292), (1418, 153646), (2836, 76823), (4519, 48212), (9038, 24106), (12053, 18076)]