636694740017

素因数分解:

$7^1\times {\mathrm{43}}^1\times {\mathrm{101}}^1\times {\mathrm{107}}^1\times {\mathrm{195731}}^1$

素因数の和:195989

約数の個数: 32

約数和(自身を含む): 758976666624

約数和(自身を除く): 122281926607

約数列:

[1, 7, 43, 101, 107, 301, 707, 749, 4343, 4601, 10807, 30401, 32207, 75649, 195731, 464701, 1370117, 3252907, 8416433, 19768831, 20943217, 58915031, 138381817, 146602519, 850059733, 900558331, 2115264917, 5950418131, 6303908317, 14806854419, 90956391431, 636694740017]

約数ペア:

[(1, 636694740017), (7, 90956391431), (43, 14806854419), (101, 6303908317), (107, 5950418131), (301, 2115264917), (707, 900558331), (749, 850059733), (4343, 146602519), (4601, 138381817), (10807, 58915031), (30401, 20943217), (32207, 19768831), (75649, 8416433), (195731, 3252907), (464701, 1370117)]