12811221695

素因数分解:

$5^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{383}}^1\times {\mathrm{3847}}^1$

素因数の和:4319

約数の個数: 32

約数和(自身を含む): 16171204608

約数和(自身を除く): 3359982913

約数列:

[1, 5, 37, 47, 185, 235, 383, 1739, 1915, 3847, 8695, 14171, 18001, 19235, 70855, 90005, 142339, 180809, 666037, 711695, 904045, 1473401, 3330185, 6689933, 7367005, 33449665, 54515837, 69249847, 272579185, 346249235, 2562244339, 12811221695]

約数ペア:

[(1, 12811221695), (5, 2562244339), (37, 346249235), (47, 272579185), (185, 69249847), (235, 54515837), (383, 33449665), (1739, 7367005), (1915, 6689933), (3847, 3330185), (8695, 1473401), (14171, 904045), (18001, 711695), (19235, 666037), (70855, 180809), (90005, 142339)]