257205676

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{661}}^1\times {\mathrm{1069}}^1$

素因数の和:1754

約数の個数: 48

約数和(自身を含む): 555338560

約数和(自身を除く): 298132884

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 91, 182, 364, 661, 1069, 1322, 2138, 2644, 4276, 4627, 7483, 8593, 9254, 13897, 14966, 17186, 18508, 27794, 29932, 34372, 55588, 60151, 97279, 120302, 194558, 240604, 389116, 706609, 1413218, 2826436, 4946263, 9185917, 9892526, 18371834, 19785052, 36743668, 64301419, 128602838, 257205676]

約数ペア:

[(1, 257205676), (2, 128602838), (4, 64301419), (7, 36743668), (13, 19785052), (14, 18371834), (26, 9892526), (28, 9185917), (52, 4946263), (91, 2826436), (182, 1413218), (364, 706609), (661, 389116), (1069, 240604), (1322, 194558), (2138, 120302), (2644, 97279), (4276, 60151), (4627, 55588), (7483, 34372), (8593, 29932), (9254, 27794), (13897, 18508), (14966, 17186)]