1369808

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{181}}^1$

素因数の和:243

約数の個数: 40

約数和(自身を含む): 2978976

約数和(自身を除く): 1609168

約数列:

[1, 2, 4, 8, 11, 16, 22, 43, 44, 86, 88, 172, 176, 181, 344, 362, 473, 688, 724, 946, 1448, 1892, 1991, 2896, 3784, 3982, 7568, 7783, 7964, 15566, 15928, 31132, 31856, 62264, 85613, 124528, 171226, 342452, 684904, 1369808]

約数ペア:

[(1, 1369808), (2, 684904), (4, 342452), (8, 171226), (11, 124528), (16, 85613), (22, 62264), (43, 31856), (44, 31132), (86, 15928), (88, 15566), (172, 7964), (176, 7783), (181, 7568), (344, 3982), (362, 3784), (473, 2896), (688, 1991), (724, 1892), (946, 1448)]