256021935

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{293}}^1\times {\mathrm{4481}}^1$

素因数の和:4795

約数の個数: 32

約数和(自身を含む): 442749888

約数和(自身を除く): 186727953

約数列:

[1, 3, 5, 13, 15, 39, 65, 195, 293, 879, 1465, 3809, 4395, 4481, 11427, 13443, 19045, 22405, 57135, 58253, 67215, 174759, 291265, 873795, 1312933, 3938799, 6564665, 17068129, 19693995, 51204387, 85340645, 256021935]

約数ペア:

[(1, 256021935), (3, 85340645), (5, 51204387), (13, 19693995), (15, 17068129), (39, 6564665), (65, 3938799), (195, 1312933), (293, 873795), (879, 291265), (1465, 174759), (3809, 67215), (4395, 58253), (4481, 57135), (11427, 22405), (13443, 19045)]