261013064

素因数分解:

$2^3\times {\mathrm{13}}^2\times {\mathrm{193057}}^1$

素因数の和:193089

約数の個数: 24

約数和(自身を含む): 529944210

約数和(自身を除く): 268931146

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 169, 338, 676, 1352, 193057, 386114, 772228, 1544456, 2509741, 5019482, 10038964, 20077928, 32626633, 65253266, 130506532, 261013064]

約数ペア:

[(1, 261013064), (2, 130506532), (4, 65253266), (8, 32626633), (13, 20077928), (26, 10038964), (52, 5019482), (104, 2509741), (169, 1544456), (338, 772228), (676, 386114), (1352, 193057)]