12781178

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{167}}^1\times {\mathrm{2251}}^1$

素因数の和:2437

約数の個数: 16

約数和(自身を含む): 20430144

約数和(自身を除く): 7648966

約数列:

[1, 2, 17, 34, 167, 334, 2251, 2839, 4502, 5678, 38267, 76534, 375917, 751834, 6390589, 12781178]

約数ペア:

[(1, 12781178), (2, 6390589), (17, 751834), (34, 375917), (167, 76534), (334, 38267), (2251, 5678), (2839, 4502)]