86431708

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{73}}^1\times {\mathrm{379}}^1$

素因数の和:538

約数の個数: 48

約数和(自身を含む): 170069760

約数和(自身を除く): 83638052

約数列:

[1, 2, 4, 11, 22, 44, 71, 73, 142, 146, 284, 292, 379, 758, 781, 803, 1516, 1562, 1606, 3124, 3212, 4169, 5183, 8338, 10366, 16676, 20732, 26909, 27667, 53818, 55334, 57013, 107636, 110668, 114026, 228052, 295999, 304337, 591998, 608674, 1183996, 1217348, 1964357, 3928714, 7857428, 21607927, 43215854, 86431708]

約数ペア:

[(1, 86431708), (2, 43215854), (4, 21607927), (11, 7857428), (22, 3928714), (44, 1964357), (71, 1217348), (73, 1183996), (142, 608674), (146, 591998), (284, 304337), (292, 295999), (379, 228052), (758, 114026), (781, 110668), (803, 107636), (1516, 57013), (1562, 55334), (1606, 53818), (3124, 27667), (3212, 26909), (4169, 20732), (5183, 16676), (8338, 10366)]