1217876

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{311}}^1$

素因数の和:415

約数の個数: 24

約数和(自身を含む): 2358720

約数和(自身を除く): 1140844

約数列:

[1, 2, 4, 11, 22, 44, 89, 178, 311, 356, 622, 979, 1244, 1958, 3421, 3916, 6842, 13684, 27679, 55358, 110716, 304469, 608938, 1217876]

約数ペア:

[(1, 1217876), (2, 608938), (4, 304469), (11, 110716), (22, 55358), (44, 27679), (89, 13684), (178, 6842), (311, 3916), (356, 3421), (622, 1958), (979, 1244)]