27806804

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{4111}}^1$

素因数の和:4223

約数の個数: 24

約数和(自身を含む): 51811200

約数和(自身を除く): 24004396

約数列:

[1, 2, 4, 19, 38, 76, 89, 178, 356, 1691, 3382, 4111, 6764, 8222, 16444, 78109, 156218, 312436, 365879, 731758, 1463516, 6951701, 13903402, 27806804]

約数ペア:

[(1, 27806804), (2, 13903402), (4, 6951701), (19, 1463516), (38, 731758), (76, 365879), (89, 312436), (178, 156218), (356, 78109), (1691, 16444), (3382, 8222), (4111, 6764)]