289507486

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{83}}^1\times {\mathrm{191}}^1\times {\mathrm{397}}^1$

素因数の和:696

約数の個数: 32

約数和(自身を含む): 462163968

約数和(自身を除く): 172656482

約数列:

[1, 2, 23, 46, 83, 166, 191, 382, 397, 794, 1909, 3818, 4393, 8786, 9131, 15853, 18262, 31706, 32951, 65902, 75827, 151654, 364619, 729238, 757873, 1515746, 1744021, 3488042, 6293641, 12587282, 144753743, 289507486]

約数ペア:

[(1, 289507486), (2, 144753743), (23, 12587282), (46, 6293641), (83, 3488042), (166, 1744021), (191, 1515746), (382, 757873), (397, 729238), (794, 364619), (1909, 151654), (3818, 75827), (4393, 65902), (8786, 32951), (9131, 31706), (15853, 18262)]