329554420

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1267517}}^1$

素因数の和:1267539

約数の個数: 24

約数和(自身を含む): 745300584

約数和(自身を除く): 415746164

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 1267517, 2535034, 5070068, 6337585, 12675170, 16477721, 25350340, 32955442, 65910884, 82388605, 164777210, 329554420]

約数ペア:

[(1, 329554420), (2, 164777210), (4, 82388605), (5, 65910884), (10, 32955442), (13, 25350340), (20, 16477721), (26, 12675170), (52, 6337585), (65, 5070068), (130, 2535034), (260, 1267517)]