13205972

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{229}}^1\times {\mathrm{1109}}^1$

素因数の和:1355

約数の個数: 24

約数和(自身を含む): 25019400

約数和(自身を除く): 11813428

約数列:

[1, 2, 4, 13, 26, 52, 229, 458, 916, 1109, 2218, 2977, 4436, 5954, 11908, 14417, 28834, 57668, 253961, 507922, 1015844, 3301493, 6602986, 13205972]

約数ペア:

[(1, 13205972), (2, 6602986), (4, 3301493), (13, 1015844), (26, 507922), (52, 253961), (229, 57668), (458, 28834), (916, 14417), (1109, 11908), (2218, 5954), (2977, 4436)]