28070172

素因数分解:

$2^2\times 3^3\times {\mathrm{13}}^1\times {\mathrm{19993}}^1$

素因数の和:20019

約数の個数: 48

約数和(自身を含む): 78376480

約数和(自身を除く): 50306308

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 27, 36, 39, 52, 54, 78, 108, 117, 156, 234, 351, 468, 702, 1404, 19993, 39986, 59979, 79972, 119958, 179937, 239916, 259909, 359874, 519818, 539811, 719748, 779727, 1039636, 1079622, 1559454, 2159244, 2339181, 3118908, 4678362, 7017543, 9356724, 14035086, 28070172]

約数ペア:

[(1, 28070172), (2, 14035086), (3, 9356724), (4, 7017543), (6, 4678362), (9, 3118908), (12, 2339181), (13, 2159244), (18, 1559454), (26, 1079622), (27, 1039636), (36, 779727), (39, 719748), (52, 539811), (54, 519818), (78, 359874), (108, 259909), (117, 239916), (156, 179937), (234, 119958), (351, 79972), (468, 59979), (702, 39986), (1404, 19993)]