401291858

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{199}}^1\times {\mathrm{1291}}^1$

素因数の和:1574

約数の個数: 32

約数和(自身を含む): 669772800

約数和(自身を除く): 268480942

約数列:

[1, 2, 11, 22, 71, 142, 199, 398, 781, 1291, 1562, 2189, 2582, 4378, 14129, 14201, 28258, 28402, 91661, 155419, 183322, 256909, 310838, 513818, 1008271, 2016542, 2825999, 5651998, 18240539, 36481078, 200645929, 401291858]

約数ペア:

[(1, 401291858), (2, 200645929), (11, 36481078), (22, 18240539), (71, 5651998), (142, 2825999), (199, 2016542), (398, 1008271), (781, 513818), (1291, 310838), (1562, 256909), (2189, 183322), (2582, 155419), (4378, 91661), (14129, 28402), (14201, 28258)]