161855756

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{23929}}^1$

素因数の和:24041

約数の個数: 24

約数和(自身を含む): 301518000

約数和(自身を除く): 139662244

約数列:

[1, 2, 4, 19, 38, 76, 89, 178, 356, 1691, 3382, 6764, 23929, 47858, 95716, 454651, 909302, 1818604, 2129681, 4259362, 8518724, 40463939, 80927878, 161855756]

約数ペア:

[(1, 161855756), (2, 80927878), (4, 40463939), (19, 8518724), (38, 4259362), (76, 2129681), (89, 1818604), (178, 909302), (356, 454651), (1691, 95716), (3382, 47858), (6764, 23929)]