87491378

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{421}}^1\times {\mathrm{7993}}^1$

素因数の和:8429

約数の個数: 16

約数和(自身を含む): 141685656

約数和(自身を除く): 54194278

約数列:

[1, 2, 13, 26, 421, 842, 5473, 7993, 10946, 15986, 103909, 207818, 3365053, 6730106, 43745689, 87491378]

約数ペア:

[(1, 87491378), (2, 43745689), (13, 6730106), (26, 3365053), (421, 207818), (842, 103909), (5473, 15986), (7993, 10946)]