991333278

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{863}}^1\times {\mathrm{4909}}^1$

素因数の和:5793

約数の個数: 48

約数和(自身を含む): 2316263040

約数和(自身を除く): 1324929762

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 39, 78, 117, 234, 863, 1726, 2589, 4909, 5178, 7767, 9818, 11219, 14727, 15534, 22438, 29454, 33657, 44181, 63817, 67314, 88362, 100971, 127634, 191451, 201942, 382902, 574353, 1148706, 4236467, 8472934, 12709401, 25418802, 38128203, 55074071, 76256406, 110148142, 165222213, 330444426, 495666639, 991333278]

約数ペア:

[(1, 991333278), (2, 495666639), (3, 330444426), (6, 165222213), (9, 110148142), (13, 76256406), (18, 55074071), (26, 38128203), (39, 25418802), (78, 12709401), (117, 8472934), (234, 4236467), (863, 1148706), (1726, 574353), (2589, 382902), (4909, 201942), (5178, 191451), (7767, 127634), (9818, 100971), (11219, 88362), (14727, 67314), (15534, 63817), (22438, 44181), (29454, 33657)]