81032868

素因数分解:

$2^2\times 3^2\times 7^2\times {\mathrm{71}}^1\times {\mathrm{647}}^1$

素因数の和:742

約数の個数: 108

約数和(自身を含む): 242004672

約数和(自身を除く): 160971804

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 49, 63, 71, 84, 98, 126, 142, 147, 196, 213, 252, 284, 294, 426, 441, 497, 588, 639, 647, 852, 882, 994, 1278, 1294, 1491, 1764, 1941, 1988, 2556, 2588, 2982, 3479, 3882, 4473, 4529, 5823, 5964, 6958, 7764, 8946, 9058, 10437, 11646, 13587, 13916, 17892, 18116, 20874, 23292, 27174, 31311, 31703, 40761, 41748, 45937, 54348, 62622, 63406, 81522, 91874, 95109, 125244, 126812, 137811, 163044, 183748, 190218, 275622, 285327, 321559, 380436, 413433, 551244, 570654, 643118, 826866, 964677, 1141308, 1286236, 1653732, 1929354, 2250913, 2894031, 3858708, 4501826, 5788062, 6752739, 9003652, 11576124, 13505478, 20258217, 27010956, 40516434, 81032868]

約数ペア:

[(1, 81032868), (2, 40516434), (3, 27010956), (4, 20258217), (6, 13505478), (7, 11576124), (9, 9003652), (12, 6752739), (14, 5788062), (18, 4501826), (21, 3858708), (28, 2894031), (36, 2250913), (42, 1929354), (49, 1653732), (63, 1286236), (71, 1141308), (84, 964677), (98, 826866), (126, 643118), (142, 570654), (147, 551244), (196, 413433), (213, 380436), (252, 321559), (284, 285327), (294, 275622), (426, 190218), (441, 183748), (497, 163044), (588, 137811), (639, 126812), (647, 125244), (852, 95109), (882, 91874), (994, 81522), (1278, 63406), (1294, 62622), (1491, 54348), (1764, 45937), (1941, 41748), (1988, 40761), (2556, 31703), (2588, 31311), (2982, 27174), (3479, 23292), (3882, 20874), (4473, 18116), (4529, 17892), (5823, 13916), (5964, 13587), (6958, 11646), (7764, 10437), (8946, 9058)]