258655778

素因数分解:

$2^1\times {\mathrm{19}}^2\times {\mathrm{67}}^1\times {\mathrm{5347}}^1$

素因数の和:5454

約数の個数: 24

約数和(自身を含む): 415667952

約数和(自身を除く): 157012174

約数列:

[1, 2, 19, 38, 67, 134, 361, 722, 1273, 2546, 5347, 10694, 24187, 48374, 101593, 203186, 358249, 716498, 1930267, 3860534, 6806731, 13613462, 129327889, 258655778]

約数ペア:

[(1, 258655778), (2, 129327889), (19, 13613462), (38, 6806731), (67, 3860534), (134, 1930267), (361, 716498), (722, 358249), (1273, 203186), (2546, 101593), (5347, 48374), (10694, 24187)]