1638286

素因数分解:

$2^1\times {\mathrm{13}}^2\times {\mathrm{37}}^1\times {\mathrm{131}}^1$

素因数の和:196

約数の個数: 24

約数和(自身を含む): 2753784

約数和(自身を除く): 1115498

約数列:

[1, 2, 13, 26, 37, 74, 131, 169, 262, 338, 481, 962, 1703, 3406, 4847, 6253, 9694, 12506, 22139, 44278, 63011, 126022, 819143, 1638286]

約数ペア:

[(1, 1638286), (2, 819143), (13, 126022), (26, 63011), (37, 44278), (74, 22139), (131, 12506), (169, 9694), (262, 6253), (338, 4847), (481, 3406), (962, 1703)]