27990116

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{4783}}^1$

素因数の和:4824

約数の個数: 48

約数和(自身を含む): 64296960

約数和(自身を除く): 36306844

約数列:

[1, 2, 4, 7, 11, 14, 19, 22, 28, 38, 44, 76, 77, 133, 154, 209, 266, 308, 418, 532, 836, 1463, 2926, 4783, 5852, 9566, 19132, 33481, 52613, 66962, 90877, 105226, 133924, 181754, 210452, 363508, 368291, 636139, 736582, 999647, 1272278, 1473164, 1999294, 2544556, 3998588, 6997529, 13995058, 27990116]

約数ペア:

[(1, 27990116), (2, 13995058), (4, 6997529), (7, 3998588), (11, 2544556), (14, 1999294), (19, 1473164), (22, 1272278), (28, 999647), (38, 736582), (44, 636139), (76, 368291), (77, 363508), (133, 210452), (154, 181754), (209, 133924), (266, 105226), (308, 90877), (418, 66962), (532, 52613), (836, 33481), (1463, 19132), (2926, 9566), (4783, 5852)]