978406

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{311}}^1$

素因数の和:348

約数の個数: 24

約数和(自身を含む): 1742832

約数和(自身を除く): 764426

約数列:

[1, 2, 11, 13, 22, 26, 121, 143, 242, 286, 311, 622, 1573, 3146, 3421, 4043, 6842, 8086, 37631, 44473, 75262, 88946, 489203, 978406]

約数ペア:

[(1, 978406), (2, 489203), (11, 88946), (13, 75262), (22, 44473), (26, 37631), (121, 8086), (143, 6842), (242, 4043), (286, 3421), (311, 3146), (622, 1573)]