664300984

素因数分解:

$2^3\times {\mathrm{31}}^1\times {\mathrm{89}}^1\times {\mathrm{30097}}^1$

素因数の和:30223

約数の個数: 32

約数和(自身を含む): 1300233600

約数和(自身を除く): 635932616

約数列:

[1, 2, 4, 8, 31, 62, 89, 124, 178, 248, 356, 712, 2759, 5518, 11036, 22072, 30097, 60194, 120388, 240776, 933007, 1866014, 2678633, 3732028, 5357266, 7464056, 10714532, 21429064, 83037623, 166075246, 332150492, 664300984]

約数ペア:

[(1, 664300984), (2, 332150492), (4, 166075246), (8, 83037623), (31, 21429064), (62, 10714532), (89, 7464056), (124, 5357266), (178, 3732028), (248, 2678633), (356, 1866014), (712, 933007), (2759, 240776), (5518, 120388), (11036, 60194), (22072, 30097)]