491363447042

素因数分解:

$2^1\times {\mathrm{13}}^2\times {\mathrm{16363}}^1\times {\mathrm{88843}}^1$

素因数の和:105234

約数の個数: 24

約数和(自身を含む): 798159925584

約数和(自身を除く): 306796478542

約数列:

[1, 2, 13, 26, 169, 338, 16363, 32726, 88843, 177686, 212719, 425438, 1154959, 2309918, 2765347, 5530694, 15014467, 30028934, 1453738009, 2907476018, 18898594117, 37797188234, 245681723521, 491363447042]

約数ペア:

[(1, 491363447042), (2, 245681723521), (13, 37797188234), (26, 18898594117), (169, 2907476018), (338, 1453738009), (16363, 30028934), (32726, 15014467), (88843, 5530694), (177686, 2765347), (212719, 2309918), (425438, 1154959)]