217841078

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{109}}^1\times {\mathrm{139}}^1$

素因数の和:349

約数の個数: 64

約数和(自身を含む): 413952000

約数和(自身を除く): 196110922

約数列:

[1, 2, 7, 13, 14, 26, 79, 91, 109, 139, 158, 182, 218, 278, 553, 763, 973, 1027, 1106, 1417, 1526, 1807, 1946, 2054, 2834, 3614, 7189, 8611, 9919, 10981, 12649, 14378, 15151, 17222, 19838, 21962, 25298, 30302, 60277, 76867, 106057, 111943, 120554, 142753, 153734, 196963, 212114, 223886, 285506, 393926, 783601, 999271, 1196929, 1378741, 1567202, 1998542, 2393858, 2757482, 8378503, 15560077, 16757006, 31120154, 108920539, 217841078]

約数ペア:

[(1, 217841078), (2, 108920539), (7, 31120154), (13, 16757006), (14, 15560077), (26, 8378503), (79, 2757482), (91, 2393858), (109, 1998542), (139, 1567202), (158, 1378741), (182, 1196929), (218, 999271), (278, 783601), (553, 393926), (763, 285506), (973, 223886), (1027, 212114), (1106, 196963), (1417, 153734), (1526, 142753), (1807, 120554), (1946, 111943), (2054, 106057), (2834, 76867), (3614, 60277), (7189, 30302), (8611, 25298), (9919, 21962), (10981, 19838), (12649, 17222), (14378, 15151)]