2931553681

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{173}}^1\times {\mathrm{2963}}^1$

素因数の和:3205

約数の個数: 32

約数和(自身を含む): 3630781440

約数和(自身を除く): 699227759

約数列:

[1, 7, 19, 43, 133, 173, 301, 817, 1211, 2963, 3287, 5719, 7439, 20741, 23009, 52073, 56297, 127409, 141341, 394079, 512599, 891863, 989387, 2420771, 3588193, 9739381, 16945397, 22041757, 68175667, 154292299, 418793383, 2931553681]

約数ペア:

[(1, 2931553681), (7, 418793383), (19, 154292299), (43, 68175667), (133, 22041757), (173, 16945397), (301, 9739381), (817, 3588193), (1211, 2420771), (2963, 989387), (3287, 891863), (5719, 512599), (7439, 394079), (20741, 141341), (23009, 127409), (52073, 56297)]