16391639

素因数分解:

${\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{137}}^1\times {\mathrm{149}}^1$

素因数の和:370

約数の個数: 16

約数和(自身を含む): 18381600

約数和(自身を除く): 1989961

約数列:

[1, 11, 73, 137, 149, 803, 1507, 1639, 10001, 10877, 20413, 110011, 119647, 224543, 1490149, 16391639]

約数ペア:

[(1, 16391639), (11, 1490149), (73, 224543), (137, 119647), (149, 110011), (803, 20413), (1507, 10877), (1639, 10001)]