81759748

素因数分解:

$2^2\times 7^1\times {\mathrm{97}}^1\times {\mathrm{30103}}^1$

素因数の和:30211

約数の個数: 24

約数和(自身を含む): 165210752

約数和(自身を除く): 83451004

約数列:

[1, 2, 4, 7, 14, 28, 97, 194, 388, 679, 1358, 2716, 30103, 60206, 120412, 210721, 421442, 842884, 2919991, 5839982, 11679964, 20439937, 40879874, 81759748]

約数ペア:

[(1, 81759748), (2, 40879874), (4, 20439937), (7, 11679964), (14, 5839982), (28, 2919991), (97, 842884), (194, 421442), (388, 210721), (679, 120412), (1358, 60206), (2716, 30103)]