127987262

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{131}}^1\times {\mathrm{709}}^1$

素因数の和:908

約数の個数: 32

約数和(自身を含む): 212556960

約数和(自身を除く): 84569698

約数列:

[1, 2, 13, 26, 53, 106, 131, 262, 689, 709, 1378, 1418, 1703, 3406, 6943, 9217, 13886, 18434, 37577, 75154, 90259, 92879, 180518, 185758, 488501, 977002, 1207427, 2414854, 4922587, 9845174, 63993631, 127987262]

約数ペア:

[(1, 127987262), (2, 63993631), (13, 9845174), (26, 4922587), (53, 2414854), (106, 1207427), (131, 977002), (262, 488501), (689, 185758), (709, 180518), (1378, 92879), (1418, 90259), (1703, 75154), (3406, 37577), (6943, 18434), (9217, 13886)]