664758616

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{977}}^1\times {\mathrm{5003}}^1$

素因数の和:6003

約数の個数: 32

約数和(自身を含む): 1321356240

約数和(自身を除く): 656597624

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 977, 1954, 3908, 5003, 7816, 10006, 16609, 20012, 33218, 40024, 66436, 85051, 132872, 170102, 340204, 680408, 4887931, 9775862, 19551724, 39103448, 83094827, 166189654, 332379308, 664758616]

約数ペア:

[(1, 664758616), (2, 332379308), (4, 166189654), (8, 83094827), (17, 39103448), (34, 19551724), (68, 9775862), (136, 4887931), (977, 680408), (1954, 340204), (3908, 170102), (5003, 132872), (7816, 85051), (10006, 66436), (16609, 40024), (20012, 33218)]