661818754

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{107}}^1\times {\mathrm{139}}^1\times {\mathrm{1171}}^1$

素因数の和:1438

約数の個数: 32

約数和(自身を含む): 1063238400

約数和(自身を除く): 401419646

約数列:

[1, 2, 19, 38, 107, 139, 214, 278, 1171, 2033, 2342, 2641, 4066, 5282, 14873, 22249, 29746, 44498, 125297, 162769, 250594, 282587, 325538, 565174, 2380643, 3092611, 4761286, 6185222, 17416283, 34832566, 330909377, 661818754]

約数ペア:

[(1, 661818754), (2, 330909377), (19, 34832566), (38, 17416283), (107, 6185222), (139, 4761286), (214, 3092611), (278, 2380643), (1171, 565174), (2033, 325538), (2342, 282587), (2641, 250594), (4066, 162769), (5282, 125297), (14873, 44498), (22249, 29746)]