217680784

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{439}}^1\times {\mathrm{1823}}^1$

素因数の和:2287

約数の個数: 40

約数和(自身を含む): 447828480

約数和(自身を除く): 230147696

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 272, 439, 878, 1756, 1823, 3512, 3646, 7024, 7292, 7463, 14584, 14926, 29168, 29852, 30991, 59704, 61982, 119408, 123964, 247928, 495856, 800297, 1600594, 3201188, 6402376, 12804752, 13605049, 27210098, 54420196, 108840392, 217680784]

約数ペア:

[(1, 217680784), (2, 108840392), (4, 54420196), (8, 27210098), (16, 13605049), (17, 12804752), (34, 6402376), (68, 3201188), (136, 1600594), (272, 800297), (439, 495856), (878, 247928), (1756, 123964), (1823, 119408), (3512, 61982), (3646, 59704), (7024, 30991), (7292, 29852), (7463, 29168), (14584, 14926)]