1999091392

素因数分解:

$2^6\times {\mathrm{109}}^1\times {\mathrm{509}}^1\times {\mathrm{563}}^1$

素因数の和:1193

約数の個数: 56

約数和(自身を含む): 4018330800

約数和(自身を除く): 2019239408

約数列:

[1, 2, 4, 8, 16, 32, 64, 109, 218, 436, 509, 563, 872, 1018, 1126, 1744, 2036, 2252, 3488, 4072, 4504, 6976, 8144, 9008, 16288, 18016, 32576, 36032, 55481, 61367, 110962, 122734, 221924, 245468, 286567, 443848, 490936, 573134, 887696, 981872, 1146268, 1775392, 1963744, 2292536, 3550784, 3927488, 4585072, 9170144, 18340288, 31235803, 62471606, 124943212, 249886424, 499772848, 999545696, 1999091392]

約数ペア:

[(1, 1999091392), (2, 999545696), (4, 499772848), (8, 249886424), (16, 124943212), (32, 62471606), (64, 31235803), (109, 18340288), (218, 9170144), (436, 4585072), (509, 3927488), (563, 3550784), (872, 2292536), (1018, 1963744), (1126, 1775392), (1744, 1146268), (2036, 981872), (2252, 887696), (3488, 573134), (4072, 490936), (4504, 443848), (6976, 286567), (8144, 245468), (9008, 221924), (16288, 122734), (18016, 110962), (32576, 61367), (36032, 55481)]