257966632515

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{53243887}}^1$

素因数の和:53243931

約数の個数: 32

約数和(自身を含む): 460027192320

約数和(自身を除く): 202060559805

約数列:

[1, 3, 5, 15, 17, 19, 51, 57, 85, 95, 255, 285, 323, 969, 1615, 4845, 53243887, 159731661, 266219435, 798658305, 905146079, 1011633853, 2715438237, 3034901559, 4525730395, 5058169265, 13577191185, 15174507795, 17197775501, 51593326503, 85988877505, 257966632515]

約数ペア:

[(1, 257966632515), (3, 85988877505), (5, 51593326503), (15, 17197775501), (17, 15174507795), (19, 13577191185), (51, 5058169265), (57, 4525730395), (85, 3034901559), (95, 2715438237), (255, 1011633853), (285, 905146079), (323, 798658305), (969, 266219435), (1615, 159731661), (4845, 53243887)]