64540678904

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{20018821}}^1$

素因数の和:20018871

約数の個数: 32

約数和(自身を含む): 134526483840

約数和(自身を除く): 69985804936

約数列:

[1, 2, 4, 8, 13, 26, 31, 52, 62, 104, 124, 248, 403, 806, 1612, 3224, 20018821, 40037642, 80075284, 160150568, 260244673, 520489346, 620583451, 1040978692, 1241166902, 2081957384, 2482333804, 4964667608, 8067584863, 16135169726, 32270339452, 64540678904]

約数ペア:

[(1, 64540678904), (2, 32270339452), (4, 16135169726), (8, 8067584863), (13, 4964667608), (26, 2482333804), (31, 2081957384), (52, 1241166902), (62, 1040978692), (104, 620583451), (124, 520489346), (248, 260244673), (403, 160150568), (806, 80075284), (1612, 40037642), (3224, 20018821)]