260427531

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{53}}^1\times {\mathrm{439}}^1$

素因数の和:556

約数の個数: 64

約数和(自身を含む): 447068160

約数和(自身を除く): 186640629

約数列:

[1, 3, 7, 13, 21, 39, 41, 53, 91, 123, 159, 273, 287, 371, 439, 533, 689, 861, 1113, 1317, 1599, 2067, 2173, 3073, 3731, 4823, 5707, 6519, 9219, 11193, 14469, 15211, 17121, 17999, 23267, 28249, 39949, 45633, 53997, 69801, 84747, 119847, 125993, 162869, 197743, 233987, 302471, 377979, 488607, 593229, 701961, 907413, 953947, 1637909, 2117297, 2861841, 4913727, 6351891, 6677629, 12401311, 20032887, 37203933, 86809177, 260427531]

約数ペア:

[(1, 260427531), (3, 86809177), (7, 37203933), (13, 20032887), (21, 12401311), (39, 6677629), (41, 6351891), (53, 4913727), (91, 2861841), (123, 2117297), (159, 1637909), (273, 953947), (287, 907413), (371, 701961), (439, 593229), (533, 488607), (689, 377979), (861, 302471), (1113, 233987), (1317, 197743), (1599, 162869), (2067, 125993), (2173, 119847), (3073, 84747), (3731, 69801), (4823, 53997), (5707, 45633), (6519, 39949), (9219, 28249), (11193, 23267), (14469, 17999), (15211, 17121)]