64144864

素因数分解:

$2^5\times 7^1\times {\mathrm{199}}^1\times {\mathrm{1439}}^1$

素因数の和:1655

約数の個数: 48

約数和(自身を含む): 145152000

約数和(自身を除く): 81007136

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 112, 199, 224, 398, 796, 1393, 1439, 1592, 2786, 2878, 3184, 5572, 5756, 6368, 10073, 11144, 11512, 20146, 22288, 23024, 40292, 44576, 46048, 80584, 161168, 286361, 322336, 572722, 1145444, 2004527, 2290888, 4009054, 4581776, 8018108, 9163552, 16036216, 32072432, 64144864]

約数ペア:

[(1, 64144864), (2, 32072432), (4, 16036216), (7, 9163552), (8, 8018108), (14, 4581776), (16, 4009054), (28, 2290888), (32, 2004527), (56, 1145444), (112, 572722), (199, 322336), (224, 286361), (398, 161168), (796, 80584), (1393, 46048), (1439, 44576), (1592, 40292), (2786, 23024), (2878, 22288), (3184, 20146), (5572, 11512), (5756, 11144), (6368, 10073)]