28754726

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{271}}^1$

素因数の和:357

約数の個数: 64

約数和(自身を含む): 59222016

約数和(自身を除く): 30467290

約数列:

[1, 2, 7, 11, 13, 14, 22, 26, 53, 77, 91, 106, 143, 154, 182, 271, 286, 371, 542, 583, 689, 742, 1001, 1166, 1378, 1897, 2002, 2981, 3523, 3794, 4081, 4823, 5962, 7046, 7579, 8162, 9646, 14363, 15158, 20867, 24661, 28726, 38753, 41734, 49322, 53053, 77506, 100541, 106106, 157993, 186719, 201082, 271271, 315986, 373438, 542542, 1105951, 1307033, 2053909, 2211902, 2614066, 4107818, 14377363, 28754726]

約数ペア:

[(1, 28754726), (2, 14377363), (7, 4107818), (11, 2614066), (13, 2211902), (14, 2053909), (22, 1307033), (26, 1105951), (53, 542542), (77, 373438), (91, 315986), (106, 271271), (143, 201082), (154, 186719), (182, 157993), (271, 106106), (286, 100541), (371, 77506), (542, 53053), (583, 49322), (689, 41734), (742, 38753), (1001, 28726), (1166, 24661), (1378, 20867), (1897, 15158), (2002, 14363), (2981, 9646), (3523, 8162), (3794, 7579), (4081, 7046), (4823, 5962)]