81805004

素因数分解:

$2^2\times {\mathrm{41}}^1\times {\mathrm{47}}^1\times {\mathrm{10613}}^1$

素因数の和:10705

約数の個数: 24

約数和(自身を含む): 149784768

約数和(自身を除く): 67979764

約数列:

[1, 2, 4, 41, 47, 82, 94, 164, 188, 1927, 3854, 7708, 10613, 21226, 42452, 435133, 498811, 870266, 997622, 1740532, 1995244, 20451251, 40902502, 81805004]

約数ペア:

[(1, 81805004), (2, 40902502), (4, 20451251), (41, 1995244), (47, 1740532), (82, 997622), (94, 870266), (164, 498811), (188, 435133), (1927, 42452), (3854, 21226), (7708, 10613)]