1330351984

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{337}}^1\times {\mathrm{18979}}^1$

素因数の和:19337

約数の個数: 40

約数和(自身を含む): 2784214160

約数和(自身を除く): 1453862176

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 337, 674, 1348, 2696, 4381, 5392, 8762, 17524, 18979, 35048, 37958, 70096, 75916, 151832, 246727, 303664, 493454, 986908, 1973816, 3947632, 6395923, 12791846, 25583692, 51167384, 83146999, 102334768, 166293998, 332587996, 665175992, 1330351984]

約数ペア:

[(1, 1330351984), (2, 665175992), (4, 332587996), (8, 166293998), (13, 102334768), (16, 83146999), (26, 51167384), (52, 25583692), (104, 12791846), (208, 6395923), (337, 3947632), (674, 1973816), (1348, 986908), (2696, 493454), (4381, 303664), (5392, 246727), (8762, 151832), (17524, 75916), (18979, 70096), (35048, 37958)]