672016

素因数分解:

$2^4\times {\mathrm{97}}^1\times {\mathrm{433}}^1$

素因数の和:538

約数の個数: 20

約数和(自身を含む): 1318492

約数和(自身を除く): 646476

約数列:

[1, 2, 4, 8, 16, 97, 194, 388, 433, 776, 866, 1552, 1732, 3464, 6928, 42001, 84002, 168004, 336008, 672016]

約数ペア:

[(1, 672016), (2, 336008), (4, 168004), (8, 84002), (16, 42001), (97, 6928), (194, 3464), (388, 1732), (433, 1552), (776, 866)]