256469385

素因数分解:

$3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{53}}^1\times {\mathrm{8719}}^1$

素因数の和:8817

約数の個数: 32

約数和(自身を含む): 429442560

約数和(自身を除く): 172973175

約数列:

[1, 3, 5, 15, 37, 53, 111, 159, 185, 265, 555, 795, 1961, 5883, 8719, 9805, 26157, 29415, 43595, 130785, 322603, 462107, 967809, 1386321, 1613015, 2310535, 4839045, 6931605, 17097959, 51293877, 85489795, 256469385]

約数ペア:

[(1, 256469385), (3, 85489795), (5, 51293877), (15, 17097959), (37, 6931605), (53, 4839045), (111, 2310535), (159, 1613015), (185, 1386321), (265, 967809), (555, 462107), (795, 322603), (1961, 130785), (5883, 43595), (8719, 29415), (9805, 26157)]