81852004

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{107}}^1\times {\mathrm{313}}^1$

素因数の和:484

約数の個数: 48

約数和(自身を含む): 159522048

約数和(自身を除く): 77670044

約数列:

[1, 2, 4, 13, 26, 47, 52, 94, 107, 188, 214, 313, 428, 611, 626, 1222, 1252, 1391, 2444, 2782, 4069, 5029, 5564, 8138, 10058, 14711, 16276, 20116, 29422, 33491, 58844, 65377, 66982, 130754, 133964, 191243, 261508, 382486, 435383, 764972, 870766, 1574077, 1741532, 3148154, 6296308, 20463001, 40926002, 81852004]

約数ペア:

[(1, 81852004), (2, 40926002), (4, 20463001), (13, 6296308), (26, 3148154), (47, 1741532), (52, 1574077), (94, 870766), (107, 764972), (188, 435383), (214, 382486), (313, 261508), (428, 191243), (611, 133964), (626, 130754), (1222, 66982), (1252, 65377), (1391, 58844), (2444, 33491), (2782, 29422), (4069, 20116), (5029, 16276), (5564, 14711), (8138, 10058)]