389670248

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{142841}}^1$

素因数の和:142889

約数の個数: 32

約数和(自身を含む): 822769920

約数和(自身を除く): 433099672

約数列:

[1, 2, 4, 8, 11, 22, 31, 44, 62, 88, 124, 248, 341, 682, 1364, 2728, 142841, 285682, 571364, 1142728, 1571251, 3142502, 4428071, 6285004, 8856142, 12570008, 17712284, 35424568, 48708781, 97417562, 194835124, 389670248]

約数ペア:

[(1, 389670248), (2, 194835124), (4, 97417562), (8, 48708781), (11, 35424568), (22, 17712284), (31, 12570008), (44, 8856142), (62, 6285004), (88, 4428071), (124, 3142502), (248, 1571251), (341, 1142728), (682, 571364), (1364, 285682), (2728, 142841)]