120406

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{421}}^1$

素因数の和:447

約数の個数: 16

約数和(自身を含む): 212688

約数和(自身を除く): 92282

約数列:

[1, 2, 11, 13, 22, 26, 143, 286, 421, 842, 4631, 5473, 9262, 10946, 60203, 120406]

約数ペア:

[(1, 120406), (2, 60203), (11, 10946), (13, 9262), (22, 5473), (26, 4631), (143, 842), (286, 421)]