256077375

素因数分解:

$3^1\times 5^3\times {\mathrm{17}}^1\times {\mathrm{40169}}^1$

素因数の和:40204

約数の個数: 32

約数和(自身を含む): 451189440

約数和(自身を除く): 195112065

約数列:

[1, 3, 5, 15, 17, 25, 51, 75, 85, 125, 255, 375, 425, 1275, 2125, 6375, 40169, 120507, 200845, 602535, 682873, 1004225, 2048619, 3012675, 3414365, 5021125, 10243095, 15063375, 17071825, 51215475, 85359125, 256077375]

約数ペア:

[(1, 256077375), (3, 85359125), (5, 51215475), (15, 17071825), (17, 15063375), (25, 10243095), (51, 5021125), (75, 3414365), (85, 3012675), (125, 2048619), (255, 1004225), (375, 682873), (425, 602535), (1275, 200845), (2125, 120507), (6375, 40169)]