214960991

素因数分解:

$7^2\times {\mathrm{41}}^1\times {\mathrm{67}}^1\times {\mathrm{1597}}^1$

素因数の和:1719

約数の個数: 24

約数和(自身を含む): 260141616

約数和(自身を除く): 45180625

約数列:

[1, 7, 41, 49, 67, 287, 469, 1597, 2009, 2747, 3283, 11179, 19229, 65477, 78253, 106999, 134603, 458339, 748993, 3208373, 4386959, 5242951, 30708713, 214960991]

約数ペア:

[(1, 214960991), (7, 30708713), (41, 5242951), (49, 4386959), (67, 3208373), (287, 748993), (469, 458339), (1597, 134603), (2009, 106999), (2747, 78253), (3283, 65477), (11179, 19229)]