989407004

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{139}}^1\times {\mathrm{104677}}^1$

素因数の和:104837

約数の個数: 24

約数和(自身を含む): 1846519920

約数和(自身を除く): 857112916

約数列:

[1, 2, 4, 17, 34, 68, 139, 278, 556, 2363, 4726, 9452, 104677, 209354, 418708, 1779509, 3559018, 7118036, 14550103, 29100206, 58200412, 247351751, 494703502, 989407004]

約数ペア:

[(1, 989407004), (2, 494703502), (4, 247351751), (17, 58200412), (34, 29100206), (68, 14550103), (139, 7118036), (278, 3559018), (556, 1779509), (2363, 418708), (4726, 209354), (9452, 104677)]