81986665

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{73}}^2\times {\mathrm{181}}^1$

素因数の和:349

約数の個数: 24

約数和(自身を含む): 106201368

約数和(自身を除く): 24214703

約数列:

[1, 5, 17, 73, 85, 181, 365, 905, 1241, 3077, 5329, 6205, 13213, 15385, 26645, 66065, 90593, 224621, 452965, 964549, 1123105, 4822745, 16397333, 81986665]

約数ペア:

[(1, 81986665), (5, 16397333), (17, 4822745), (73, 1123105), (85, 964549), (181, 452965), (365, 224621), (905, 90593), (1241, 66065), (3077, 26645), (5329, 15385), (6205, 13213)]