1290985882

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{566719}}^1$

素因数の和:566805

約数の個数: 16

約数和(自身を含む): 2080995840

約数和(自身を除く): 790009958

約数列:

[1, 2, 17, 34, 67, 134, 1139, 2278, 566719, 1133438, 9634223, 19268446, 37970173, 75940346, 645492941, 1290985882]

約数ペア:

[(1, 1290985882), (2, 645492941), (17, 75940346), (34, 37970173), (67, 19268446), (134, 9634223), (1139, 1133438), (2278, 566719)]