2078280178

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{263}}^1\times {\mathrm{303931}}^1$

素因数の和:304209

約数の個数: 16

約数和(自身を含む): 3369998016

約数和(自身を除く): 1291717838

約数列:

[1, 2, 13, 26, 263, 526, 3419, 6838, 303931, 607862, 3951103, 7902206, 79933853, 159867706, 1039140089, 2078280178]

約数ペア:

[(1, 2078280178), (2, 1039140089), (13, 159867706), (26, 79933853), (263, 7902206), (526, 3951103), (3419, 607862), (6838, 303931)]