1640802778

素因数分解:

$2^1\times {\mathrm{317}}^1\times {\mathrm{389}}^1\times {\mathrm{6653}}^1$

素因数の和:7361

約数の個数: 16

約数和(自身を含む): 2475687240

約数和(自身を除く): 834884462

約数列:

[1, 2, 317, 389, 634, 778, 6653, 13306, 123313, 246626, 2109001, 2588017, 4218002, 5176034, 820401389, 1640802778]

約数ペア:

[(1, 1640802778), (2, 820401389), (317, 5176034), (389, 4218002), (634, 2588017), (778, 2109001), (6653, 246626), (13306, 123313)]