40989682

素因数分解:

$2^1\times {\mathrm{61}}^1\times {\mathrm{269}}^1\times {\mathrm{1249}}^1$

素因数の和:1581

約数の個数: 16

約数和(自身を含む): 62775000

約数和(自身を除く): 21785318

約数列:

[1, 2, 61, 122, 269, 538, 1249, 2498, 16409, 32818, 76189, 152378, 335981, 671962, 20494841, 40989682]

約数ペア:

[(1, 40989682), (2, 20494841), (61, 671962), (122, 335981), (269, 152378), (538, 76189), (1249, 32818), (2498, 16409)]