644913306

素因数分解:

$2^1\times 3^3\times {\mathrm{59}}^1\times {\mathrm{71}}^1\times {\mathrm{2851}}^1$

素因数の和:2992

約数の個数: 64

約数和(自身を含む): 1478476800

約数和(自身を除く): 833563494

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 59, 71, 118, 142, 177, 213, 354, 426, 531, 639, 1062, 1278, 1593, 1917, 2851, 3186, 3834, 4189, 5702, 8378, 8553, 12567, 17106, 25134, 25659, 37701, 51318, 75402, 76977, 113103, 153954, 168209, 202421, 226206, 336418, 404842, 504627, 607263, 1009254, 1214526, 1513881, 1821789, 3027762, 3643578, 4541643, 5465367, 9083286, 10930734, 11942839, 23885678, 35828517, 71657034, 107485551, 214971102, 322456653, 644913306]

約数ペア:

[(1, 644913306), (2, 322456653), (3, 214971102), (6, 107485551), (9, 71657034), (18, 35828517), (27, 23885678), (54, 11942839), (59, 10930734), (71, 9083286), (118, 5465367), (142, 4541643), (177, 3643578), (213, 3027762), (354, 1821789), (426, 1513881), (531, 1214526), (639, 1009254), (1062, 607263), (1278, 504627), (1593, 404842), (1917, 336418), (2851, 226206), (3186, 202421), (3834, 168209), (4189, 153954), (5702, 113103), (8378, 76977), (8553, 75402), (12567, 51318), (17106, 37701), (25134, 25659)]