81645616

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{6653}}^1$

素因数の和:6733

約数の個数: 40

約数和(自身を含む): 173270160

約数和(自身を除く): 91624544

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 59, 104, 118, 208, 236, 472, 767, 944, 1534, 3068, 6136, 6653, 12272, 13306, 26612, 53224, 86489, 106448, 172978, 345956, 392527, 691912, 785054, 1383824, 1570108, 3140216, 5102851, 6280432, 10205702, 20411404, 40822808, 81645616]

約数ペア:

[(1, 81645616), (2, 40822808), (4, 20411404), (8, 10205702), (13, 6280432), (16, 5102851), (26, 3140216), (52, 1570108), (59, 1383824), (104, 785054), (118, 691912), (208, 392527), (236, 345956), (472, 172978), (767, 106448), (944, 86489), (1534, 53224), (3068, 26612), (6136, 13306), (6653, 12272)]