1639021449

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{53}}^1\times {\mathrm{739}}^1$

素因数の和:874

約数の個数: 64

約数和(自身を含む): 2551046400

約数和(自身を除く): 912024951

約数列:

[1, 3, 13, 29, 37, 39, 53, 87, 111, 159, 377, 481, 689, 739, 1073, 1131, 1443, 1537, 1961, 2067, 2217, 3219, 4611, 5883, 9607, 13949, 19981, 21431, 25493, 27343, 28821, 39167, 41847, 56869, 59943, 64293, 76479, 82029, 117501, 170607, 278603, 355459, 509171, 739297, 792947, 835809, 1066377, 1135843, 1449179, 1527513, 2217891, 2378841, 3407529, 4347537, 10308311, 14765959, 18839327, 30924933, 42026191, 44297877, 56517981, 126078573, 546340483, 1639021449]

約数ペア:

[(1, 1639021449), (3, 546340483), (13, 126078573), (29, 56517981), (37, 44297877), (39, 42026191), (53, 30924933), (87, 18839327), (111, 14765959), (159, 10308311), (377, 4347537), (481, 3407529), (689, 2378841), (739, 2217891), (1073, 1527513), (1131, 1449179), (1443, 1135843), (1537, 1066377), (1961, 835809), (2067, 792947), (2217, 739297), (3219, 509171), (4611, 355459), (5883, 278603), (9607, 170607), (13949, 117501), (19981, 82029), (21431, 76479), (25493, 64293), (27343, 59943), (28821, 56869), (39167, 41847)]