2157649487

素因数分解:

$7^2\times {\mathrm{37}}^1\times {\mathrm{727}}^1\times {\mathrm{1637}}^1$

素因数の和:2415

約数の個数: 24

約数和(自身を含む): 2582877024

約数和(自身を除く): 425227537

約数列:

[1, 7, 37, 49, 259, 727, 1637, 1813, 5089, 11459, 26899, 35623, 60569, 80213, 188293, 423983, 1190099, 1318051, 2967881, 8330693, 44033663, 58314851, 308235641, 2157649487]

約数ペア:

[(1, 2157649487), (7, 308235641), (37, 58314851), (49, 44033663), (259, 8330693), (727, 2967881), (1637, 1318051), (1813, 1190099), (5089, 423983), (11459, 188293), (26899, 80213), (35623, 60569)]