1271328130

素因数分解:

$2^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{1790603}}^1$

素因数の和:1790681

約数の個数: 16

約数和(自身を含む): 2320622784

約数和(自身を除く): 1049294654

約数列:

[1, 2, 5, 10, 71, 142, 355, 710, 1790603, 3581206, 8953015, 17906030, 127132813, 254265626, 635664065, 1271328130]

約数ペア:

[(1, 1271328130), (2, 635664065), (5, 254265626), (10, 127132813), (71, 17906030), (142, 8953015), (355, 3581206), (710, 1790603)]