231657244

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{636421}}^1$

素因数の和:636445

約数の個数: 24

約数和(自身を含む): 498954848

約数和(自身を除く): 267297604

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 91, 182, 364, 636421, 1272842, 2545684, 4454947, 8273473, 8909894, 16546946, 17819788, 33093892, 57914311, 115828622, 231657244]

約数ペア:

[(1, 231657244), (2, 115828622), (4, 57914311), (7, 33093892), (13, 17819788), (14, 16546946), (26, 8909894), (28, 8273473), (52, 4454947), (91, 2545684), (182, 1272842), (364, 636421)]