128519309456

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{947}}^1\times {\mathrm{273613}}^1$

素因数の和:274599

約数の個数: 40

約数和(自身を含む): 257310983424

約数和(自身を除く): 128791673968

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 248, 496, 947, 1894, 3788, 7576, 15152, 29357, 58714, 117428, 234856, 273613, 469712, 547226, 1094452, 2188904, 4377808, 8482003, 16964006, 33928012, 67856024, 135712048, 259111511, 518223022, 1036446044, 2072892088, 4145784176, 8032456841, 16064913682, 32129827364, 64259654728, 128519309456]

約数ペア:

[(1, 128519309456), (2, 64259654728), (4, 32129827364), (8, 16064913682), (16, 8032456841), (31, 4145784176), (62, 2072892088), (124, 1036446044), (248, 518223022), (496, 259111511), (947, 135712048), (1894, 67856024), (3788, 33928012), (7576, 16964006), (15152, 8482003), (29357, 4377808), (58714, 2188904), (117428, 1094452), (234856, 547226), (273613, 469712)]