31579708

素因数分解:

$2^2\times {\mathrm{97}}^1\times {\mathrm{199}}^1\times {\mathrm{409}}^1$

素因数の和:709

約数の個数: 24

約数和(自身を含む): 56252000

約数和(自身を除く): 24672292

約数列:

[1, 2, 4, 97, 194, 199, 388, 398, 409, 796, 818, 1636, 19303, 38606, 39673, 77212, 79346, 81391, 158692, 162782, 325564, 7894927, 15789854, 31579708]

約数ペア:

[(1, 31579708), (2, 15789854), (4, 7894927), (97, 325564), (194, 162782), (199, 158692), (388, 81391), (398, 79346), (409, 77212), (796, 39673), (818, 38606), (1636, 19303)]