28157998

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{89}}^1\times {\mathrm{197}}^1$

素因数の和:372

約数の個数: 32

約数和(自身を含む): 47472480

約数和(自身を除く): 19314482

約数列:

[1, 2, 11, 22, 73, 89, 146, 178, 197, 394, 803, 979, 1606, 1958, 2167, 4334, 6497, 12994, 14381, 17533, 28762, 35066, 71467, 142934, 158191, 192863, 316382, 385726, 1279909, 2559818, 14078999, 28157998]

約数ペア:

[(1, 28157998), (2, 14078999), (11, 2559818), (22, 1279909), (73, 385726), (89, 316382), (146, 192863), (178, 158191), (197, 142934), (394, 71467), (803, 35066), (979, 28762), (1606, 17533), (1958, 14381), (2167, 12994), (4334, 6497)]