667706

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{421}}^1$

素因数の和:497

約数の個数: 16

約数和(自身を含む): 1098888

約数和(自身を除く): 431182

約数列:

[1, 2, 13, 26, 61, 122, 421, 793, 842, 1586, 5473, 10946, 25681, 51362, 333853, 667706]

約数ペア:

[(1, 667706), (2, 333853), (13, 51362), (26, 25681), (61, 10946), (122, 5473), (421, 1586), (793, 842)]