40117721

素因数分解:

$7^2\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{1051}}^1$

素因数の和:1125

約数の個数: 24

約数和(自身を含む): 50369760

約数和(自身を除く): 10252039

約数列:

[1, 7, 19, 41, 49, 133, 287, 779, 931, 1051, 2009, 5453, 7357, 19969, 38171, 43091, 51499, 139783, 301637, 818729, 978481, 2111459, 5731103, 40117721]

約数ペア:

[(1, 40117721), (7, 5731103), (19, 2111459), (41, 978481), (49, 818729), (133, 301637), (287, 139783), (779, 51499), (931, 43091), (1051, 38171), (2009, 19969), (5453, 7357)]