640445442

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{23}}^1\times {\mathrm{3923}}^1$

素因数の和:3984

約数の個数: 96

約数和(自身を含む): 1654483968

約数和(自身を除く): 1014038526

約数列:

[1, 2, 3, 6, 7, 13, 14, 21, 23, 26, 39, 42, 46, 69, 78, 91, 138, 161, 169, 182, 273, 299, 322, 338, 483, 507, 546, 598, 897, 966, 1014, 1183, 1794, 2093, 2366, 3549, 3887, 3923, 4186, 6279, 7098, 7774, 7846, 11661, 11769, 12558, 23322, 23538, 27209, 27461, 50999, 54418, 54922, 81627, 82383, 90229, 101998, 152997, 163254, 164766, 180458, 270687, 305994, 356993, 541374, 631603, 662987, 713986, 1070979, 1172977, 1263206, 1325974, 1894809, 1988961, 2141958, 2345954, 3518931, 3789618, 3977922, 4640909, 7037862, 8210839, 9281818, 13922727, 15248701, 16421678, 24632517, 27845454, 30497402, 45746103, 49265034, 91492206, 106740907, 213481814, 320222721, 640445442]

約数ペア:

[(1, 640445442), (2, 320222721), (3, 213481814), (6, 106740907), (7, 91492206), (13, 49265034), (14, 45746103), (21, 30497402), (23, 27845454), (26, 24632517), (39, 16421678), (42, 15248701), (46, 13922727), (69, 9281818), (78, 8210839), (91, 7037862), (138, 4640909), (161, 3977922), (169, 3789618), (182, 3518931), (273, 2345954), (299, 2141958), (322, 1988961), (338, 1894809), (483, 1325974), (507, 1263206), (546, 1172977), (598, 1070979), (897, 713986), (966, 662987), (1014, 631603), (1183, 541374), (1794, 356993), (2093, 305994), (2366, 270687), (3549, 180458), (3887, 164766), (3923, 163254), (4186, 152997), (6279, 101998), (7098, 90229), (7774, 82383), (7846, 81627), (11661, 54922), (11769, 54418), (12558, 50999), (23322, 27461), (23538, 27209)]