28378193732

素因数分解:

$2^2\times 7^1\times {\mathrm{47}}^1\times {\mathrm{103}}^1\times {\mathrm{209359}}^1$

素因数の和:209520

約数の個数: 48

約数和(自身を含む): 58527006720

約数和(自身を除く): 30148812988

約数列:

[1, 2, 4, 7, 14, 28, 47, 94, 103, 188, 206, 329, 412, 658, 721, 1316, 1442, 2884, 4841, 9682, 19364, 33887, 67774, 135548, 209359, 418718, 837436, 1465513, 2931026, 5862052, 9839873, 19679746, 21563977, 39359492, 43127954, 68879111, 86255908, 137758222, 150947839, 275516444, 301895678, 603791356, 1013506919, 2027013838, 4054027676, 7094548433, 14189096866, 28378193732]

約数ペア:

[(1, 28378193732), (2, 14189096866), (4, 7094548433), (7, 4054027676), (14, 2027013838), (28, 1013506919), (47, 603791356), (94, 301895678), (103, 275516444), (188, 150947839), (206, 137758222), (329, 86255908), (412, 68879111), (658, 43127954), (721, 39359492), (1316, 21563977), (1442, 19679746), (2884, 9839873), (4841, 5862052), (9682, 2931026), (19364, 1465513), (33887, 837436), (67774, 418718), (135548, 209359)]