64937288

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{557}}^1$

素因数の和:654

約数の個数: 64

約数和(自身を含む): 140616000

約数和(自身を除く): 75678712

約数列:

[1, 2, 4, 8, 13, 19, 26, 38, 52, 59, 76, 104, 118, 152, 236, 247, 472, 494, 557, 767, 988, 1114, 1121, 1534, 1976, 2228, 2242, 3068, 4456, 4484, 6136, 7241, 8968, 10583, 14482, 14573, 21166, 28964, 29146, 32863, 42332, 57928, 58292, 65726, 84664, 116584, 131452, 137579, 262904, 275158, 427219, 550316, 624397, 854438, 1100632, 1248794, 1708876, 2497588, 3417752, 4995176, 8117161, 16234322, 32468644, 64937288]

約数ペア:

[(1, 64937288), (2, 32468644), (4, 16234322), (8, 8117161), (13, 4995176), (19, 3417752), (26, 2497588), (38, 1708876), (52, 1248794), (59, 1100632), (76, 854438), (104, 624397), (118, 550316), (152, 427219), (236, 275158), (247, 262904), (472, 137579), (494, 131452), (557, 116584), (767, 84664), (988, 65726), (1114, 58292), (1121, 57928), (1534, 42332), (1976, 32863), (2228, 29146), (2242, 28964), (3068, 21166), (4456, 14573), (4484, 14482), (6136, 10583), (7241, 8968)]