1640251535

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{615479}}^1$

素因数の和:615538

約数の個数: 16

約数和(自身を含む): 2171413440

約数和(自身を除く): 531161905

約数列:

[1, 5, 13, 41, 65, 205, 533, 2665, 615479, 3077395, 8001227, 25234639, 40006135, 126173195, 328050307, 1640251535]

約数ペア:

[(1, 1640251535), (5, 328050307), (13, 126173195), (41, 40006135), (65, 25234639), (205, 8001227), (533, 3077395), (2665, 615479)]