128352664

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{20543}}^1$

素因数の和:20631

約数の個数: 32

約数和(自身を含む): 266250240

約数和(自身を除く): 137897576

約数列:

[1, 2, 4, 8, 11, 22, 44, 71, 88, 142, 284, 568, 781, 1562, 3124, 6248, 20543, 41086, 82172, 164344, 225973, 451946, 903892, 1458553, 1807784, 2917106, 5834212, 11668424, 16044083, 32088166, 64176332, 128352664]

約数ペア:

[(1, 128352664), (2, 64176332), (4, 32088166), (8, 16044083), (11, 11668424), (22, 5834212), (44, 2917106), (71, 1807784), (88, 1458553), (142, 903892), (284, 451946), (568, 225973), (781, 164344), (1562, 82172), (3124, 41086), (6248, 20543)]