64399130

素因数分解:

$2^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{90703}}^1$

素因数の和:90781

約数の個数: 16

約数和(自身を含む): 117552384

約数和(自身を除く): 53153254

約数列:

[1, 2, 5, 10, 71, 142, 355, 710, 90703, 181406, 453515, 907030, 6439913, 12879826, 32199565, 64399130]

約数ペア:

[(1, 64399130), (2, 32199565), (5, 12879826), (10, 6439913), (71, 907030), (142, 453515), (355, 181406), (710, 90703)]