16981546

素因数分解:

$2^1\times {\mathrm{61}}^1\times {\mathrm{109}}^1\times {\mathrm{1277}}^1$

素因数の和:1449

約数の個数: 16

約数和(自身を含む): 26147880

約数和(自身を除く): 9166334

約数列:

[1, 2, 61, 109, 122, 218, 1277, 2554, 6649, 13298, 77897, 139193, 155794, 278386, 8490773, 16981546]

約数ペア:

[(1, 16981546), (2, 8490773), (61, 278386), (109, 155794), (122, 139193), (218, 77897), (1277, 13298), (2554, 6649)]