989874145

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{421}}^1\times {\mathrm{593}}^1$

素因数の和:1093

約数の個数: 32

約数和(自身を含む): 1305478944

約数和(自身を除く): 315604799

約数列:

[1, 5, 13, 61, 65, 305, 421, 593, 793, 2105, 2965, 3965, 5473, 7709, 25681, 27365, 36173, 38545, 128405, 180865, 249653, 333853, 470249, 1248265, 1669265, 2351245, 3245489, 15228833, 16227445, 76144165, 197974829, 989874145]

約数ペア:

[(1, 989874145), (5, 197974829), (13, 76144165), (61, 16227445), (65, 15228833), (305, 3245489), (421, 2351245), (593, 1669265), (793, 1248265), (2105, 470249), (2965, 333853), (3965, 249653), (5473, 180865), (7709, 128405), (25681, 38545), (27365, 36173)]