1001390

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{7703}}^1$

素因数の和:7723

約数の個数: 16

約数和(自身を含む): 1941408

約数和(自身を除く): 940018

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 7703, 15406, 38515, 77030, 100139, 200278, 500695, 1001390]

約数ペア:

[(1, 1001390), (2, 500695), (5, 200278), (10, 100139), (13, 77030), (26, 38515), (65, 15406), (130, 7703)]