13271905

素因数分解:

$5^1\times {\mathrm{41}}^1\times {\mathrm{101}}^1\times {\mathrm{641}}^1$

素因数の和:788

約数の個数: 16

約数和(自身を含む): 16501968

約数和(自身を除く): 3230063

約数列:

[1, 5, 41, 101, 205, 505, 641, 3205, 4141, 20705, 26281, 64741, 131405, 323705, 2654381, 13271905]

約数ペア:

[(1, 13271905), (5, 2654381), (41, 323705), (101, 131405), (205, 64741), (505, 26281), (641, 20705), (3205, 4141)]