15661900804

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{409}}^1\times {\mathrm{18517}}^1$

素因数の和:18988

約数の個数: 48

約数和(自身を含む): 30612476160

約数和(自身を除く): 14950575356

約数列:

[1, 2, 4, 11, 22, 44, 47, 94, 188, 409, 517, 818, 1034, 1636, 2068, 4499, 8998, 17996, 18517, 19223, 37034, 38446, 74068, 76892, 203687, 211453, 407374, 422906, 814748, 845812, 870299, 1740598, 3481196, 7573453, 9573289, 15146906, 19146578, 30293812, 38293156, 83307983, 166615966, 333231932, 355952291, 711904582, 1423809164, 3915475201, 7830950402, 15661900804]

約数ペア:

[(1, 15661900804), (2, 7830950402), (4, 3915475201), (11, 1423809164), (22, 711904582), (44, 355952291), (47, 333231932), (94, 166615966), (188, 83307983), (409, 38293156), (517, 30293812), (818, 19146578), (1034, 15146906), (1636, 9573289), (2068, 7573453), (4499, 3481196), (8998, 1740598), (17996, 870299), (18517, 845812), (19223, 814748), (37034, 422906), (38446, 407374), (74068, 211453), (76892, 203687)]