1221071038

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{909889}}^1$

素因数の和:909963

約数の個数: 16

約数和(自身を含む): 2030874480

約数和(自身を除く): 809803442

約数列:

[1, 2, 11, 22, 61, 122, 671, 1342, 909889, 1819778, 10008779, 20017558, 55503229, 111006458, 610535519, 1221071038]

約数ペア:

[(1, 1221071038), (2, 610535519), (11, 111006458), (22, 55503229), (61, 20017558), (122, 10008779), (671, 1819778), (1342, 909889)]