64127141072

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{20161}}^1\times {\mathrm{10463}}^1$

素因数の和:30651

約数の個数: 40

約数和(自身を含む): 130804604160

約数和(自身を除く): 66677463088

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 10463, 20161, 20926, 40322, 41852, 80644, 83704, 161288, 167408, 198797, 322576, 383059, 397594, 766118, 795188, 1532236, 1590376, 3064472, 3180752, 6128944, 210944543, 421889086, 843778172, 1687556344, 3375112688, 4007946317, 8015892634, 16031785268, 32063570536, 64127141072]

約数ペア:

[(1, 64127141072), (2, 32063570536), (4, 16031785268), (8, 8015892634), (16, 4007946317), (19, 3375112688), (38, 1687556344), (76, 843778172), (152, 421889086), (304, 210944543), (10463, 6128944), (20161, 3180752), (20926, 3064472), (40322, 1590376), (41852, 1532236), (80644, 795188), (83704, 766118), (161288, 397594), (167408, 383059), (198797, 322576)]