16456945

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{211}}^1\times {\mathrm{821}}^1$

素因数の和:1056

約数の個数: 16

約数和(自身を含む): 20911680

約数和(自身を除く): 4454735

約数列:

[1, 5, 19, 95, 211, 821, 1055, 4009, 4105, 15599, 20045, 77995, 173231, 866155, 3291389, 16456945]

約数ペア:

[(1, 16456945), (5, 3291389), (19, 866155), (95, 173231), (211, 77995), (821, 20045), (1055, 15599), (4009, 4105)]