188420565

素因数分解:

$3^1\times 5^1\times {\mathrm{53}}^1\times {\mathrm{89}}^1\times {\mathrm{2663}}^1$

素因数の和:2813

約数の個数: 32

約数和(自身を含む): 310728960

約数和(自身を除く): 122308395

約数列:

[1, 3, 5, 15, 53, 89, 159, 265, 267, 445, 795, 1335, 2663, 4717, 7989, 13315, 14151, 23585, 39945, 70755, 141139, 237007, 423417, 705695, 711021, 1185035, 2117085, 3555105, 12561371, 37684113, 62806855, 188420565]

約数ペア:

[(1, 188420565), (3, 62806855), (5, 37684113), (15, 12561371), (53, 3555105), (89, 2117085), (159, 1185035), (265, 711021), (267, 705695), (445, 423417), (795, 237007), (1335, 141139), (2663, 70755), (4717, 39945), (7989, 23585), (13315, 14151)]