821008

素因数分解:

$2^4\times {\mathrm{23}}^2\times {\mathrm{97}}^1$

素因数の和:151

約数の個数: 30

約数和(自身を含む): 1680014

約数和(自身を除く): 859006

約数列:

[1, 2, 4, 8, 16, 23, 46, 92, 97, 184, 194, 368, 388, 529, 776, 1058, 1552, 2116, 2231, 4232, 4462, 8464, 8924, 17848, 35696, 51313, 102626, 205252, 410504, 821008]

約数ペア:

[(1, 821008), (2, 410504), (4, 205252), (8, 102626), (16, 51313), (23, 35696), (46, 17848), (92, 8924), (97, 8464), (184, 4462), (194, 4232), (368, 2231), (388, 2116), (529, 1552), (776, 1058)]