156939929993

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{101}}^1\times {\mathrm{20180009}}^1$

素因数の和:20180128

約数の個数: 16

約数和(自身を含む): 197602657920

約数和(自身を除く): 40662727927

約数列:

[1, 7, 11, 77, 101, 707, 1111, 7777, 20180009, 141260063, 221980099, 1553860693, 2038180909, 14267266363, 22419989999, 156939929993]

約数ペア:

[(1, 156939929993), (7, 22419989999), (11, 14267266363), (77, 2038180909), (101, 1553860693), (707, 221980099), (1111, 141260063), (7777, 20180009)]