2788291268

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{73819}}^1$

素因数の和:73920

約数の個数: 48

約数和(自身を含む): 5952844800

約数和(自身を除く): 3164553532

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 71, 76, 133, 142, 266, 284, 497, 532, 994, 1349, 1988, 2698, 5396, 9443, 18886, 37772, 73819, 147638, 295276, 516733, 1033466, 1402561, 2066932, 2805122, 5241149, 5610244, 9817927, 10482298, 19635854, 20964596, 36688043, 39271708, 73376086, 99581831, 146752172, 199163662, 398327324, 697072817, 1394145634, 2788291268]

約数ペア:

[(1, 2788291268), (2, 1394145634), (4, 697072817), (7, 398327324), (14, 199163662), (19, 146752172), (28, 99581831), (38, 73376086), (71, 39271708), (76, 36688043), (133, 20964596), (142, 19635854), (266, 10482298), (284, 9817927), (497, 5610244), (532, 5241149), (994, 2805122), (1349, 2066932), (1988, 1402561), (2698, 1033466), (5396, 516733), (9443, 295276), (18886, 147638), (37772, 73819)]