81569774

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{883}}^1$

素因数の和:945

約数の個数: 64

約数和(自身を含む): 160392960

約数和(自身を除く): 78823186

約数列:

[1, 2, 11, 13, 17, 19, 22, 26, 34, 38, 143, 187, 209, 221, 247, 286, 323, 374, 418, 442, 494, 646, 883, 1766, 2431, 2717, 3553, 4199, 4862, 5434, 7106, 8398, 9713, 11479, 15011, 16777, 19426, 22958, 30022, 33554, 46189, 92378, 126269, 165121, 184547, 195143, 218101, 252538, 285209, 330242, 369094, 390286, 436202, 570418, 2146573, 2399111, 3137299, 3707717, 4293146, 4798222, 6274598, 7415434, 40784887, 81569774]

約数ペア:

[(1, 81569774), (2, 40784887), (11, 7415434), (13, 6274598), (17, 4798222), (19, 4293146), (22, 3707717), (26, 3137299), (34, 2399111), (38, 2146573), (143, 570418), (187, 436202), (209, 390286), (221, 369094), (247, 330242), (286, 285209), (323, 252538), (374, 218101), (418, 195143), (442, 184547), (494, 165121), (646, 126269), (883, 92378), (1766, 46189), (2431, 33554), (2717, 30022), (3553, 22958), (4199, 19426), (4862, 16777), (5434, 15011), (7106, 11479), (8398, 9713)]