128439355

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{1061}}^1$

素因数の和:1179

約数の個数: 32

約数和(自身を含む): 176173056

約数和(自身を除く): 47733701

約数列:

[1, 5, 11, 31, 55, 71, 155, 341, 355, 781, 1061, 1705, 2201, 3905, 5305, 11005, 11671, 24211, 32891, 58355, 75331, 121055, 164455, 361801, 376655, 828641, 1809005, 2335261, 4143205, 11676305, 25687871, 128439355]

約数ペア:

[(1, 128439355), (5, 25687871), (11, 11676305), (31, 4143205), (55, 2335261), (71, 1809005), (155, 828641), (341, 376655), (355, 361801), (781, 164455), (1061, 121055), (1705, 75331), (2201, 58355), (3905, 32891), (5305, 24211), (11005, 11671)]