2138861426

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{257}}^1\times {\mathrm{991}}^1$

素因数の和:1299

約数の個数: 64

約数和(自身を含む): 3869752320

約数和(自身を除く): 1730890894

約数列:

[1, 2, 13, 17, 19, 26, 34, 38, 221, 247, 257, 323, 442, 494, 514, 646, 991, 1982, 3341, 4199, 4369, 4883, 6682, 8398, 8738, 9766, 12883, 16847, 18829, 25766, 33694, 37658, 56797, 63479, 83011, 113594, 126958, 166022, 219011, 244777, 254687, 320093, 438022, 489554, 509374, 640186, 1079143, 2158286, 3310931, 4161209, 4329679, 4839053, 6621862, 8322418, 8659358, 9678106, 56285827, 62907689, 82263901, 112571654, 125815378, 164527802, 1069430713, 2138861426]

約数ペア:

[(1, 2138861426), (2, 1069430713), (13, 164527802), (17, 125815378), (19, 112571654), (26, 82263901), (34, 62907689), (38, 56285827), (221, 9678106), (247, 8659358), (257, 8322418), (323, 6621862), (442, 4839053), (494, 4329679), (514, 4161209), (646, 3310931), (991, 2158286), (1982, 1079143), (3341, 640186), (4199, 509374), (4369, 489554), (4883, 438022), (6682, 320093), (8398, 254687), (8738, 244777), (9766, 219011), (12883, 166022), (16847, 126958), (18829, 113594), (25766, 83011), (33694, 63479), (37658, 56797)]