388908026

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{211}}^1\times {\mathrm{70891}}^1$

素因数の和:71117

約数の個数: 16

約数和(自身を含む): 631222368

約数和(自身を除く): 242314342

約数列:

[1, 2, 13, 26, 211, 422, 2743, 5486, 70891, 141782, 921583, 1843166, 14958001, 29916002, 194454013, 388908026]

約数ペア:

[(1, 388908026), (2, 194454013), (13, 29916002), (26, 14958001), (211, 1843166), (422, 921583), (2743, 141782), (5486, 70891)]