649944001

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{107}}^1\times {\mathrm{109}}^1\times {\mathrm{419}}^1$

素因数の和:661

約数の個数: 32

約数和(自身を含む): 798336000

約数和(自身を除く): 148391999

約数列:

[1, 7, 19, 107, 109, 133, 419, 749, 763, 2033, 2071, 2933, 7961, 11663, 14231, 14497, 44833, 45671, 55727, 81641, 221597, 313831, 319697, 851827, 867749, 1551179, 4886797, 5962789, 6074243, 34207579, 92849143, 649944001]

約数ペア:

[(1, 649944001), (7, 92849143), (19, 34207579), (107, 6074243), (109, 5962789), (133, 4886797), (419, 1551179), (749, 867749), (763, 851827), (2033, 319697), (2071, 313831), (2933, 221597), (7961, 81641), (11663, 55727), (14231, 45671), (14497, 44833)]