81802084

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^2\times {\mathrm{59}}^1\times {\mathrm{293}}^1$

素因数の和:389

約数の個数: 72

約数和(自身を含む): 180774720

約数和(自身を除く): 98972636

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 59, 91, 118, 169, 182, 236, 293, 338, 364, 413, 586, 676, 767, 826, 1172, 1183, 1534, 1652, 2051, 2366, 3068, 3809, 4102, 4732, 5369, 7618, 8204, 9971, 10738, 15236, 17287, 19942, 21476, 26663, 34574, 39884, 49517, 53326, 69148, 69797, 99034, 106652, 121009, 139594, 198068, 224731, 242018, 279188, 346619, 449462, 484036, 693238, 898924, 1386476, 1573117, 2921503, 3146234, 5843006, 6292468, 11686012, 20450521, 40901042, 81802084]

約数ペア:

[(1, 81802084), (2, 40901042), (4, 20450521), (7, 11686012), (13, 6292468), (14, 5843006), (26, 3146234), (28, 2921503), (52, 1573117), (59, 1386476), (91, 898924), (118, 693238), (169, 484036), (182, 449462), (236, 346619), (293, 279188), (338, 242018), (364, 224731), (413, 198068), (586, 139594), (676, 121009), (767, 106652), (826, 99034), (1172, 69797), (1183, 69148), (1534, 53326), (1652, 49517), (2051, 39884), (2366, 34574), (3068, 26663), (3809, 21476), (4102, 19942), (4732, 17287), (5369, 15236), (7618, 10738), (8204, 9971)]