490831378

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{127}}^1\times {\mathrm{1601}}^1$

素因数の和:1818

約数の個数: 32

約数和(自身を含む): 797257728

約数和(自身を除く): 306426350

約数列:

[1, 2, 17, 34, 71, 127, 142, 254, 1207, 1601, 2159, 2414, 3202, 4318, 9017, 18034, 27217, 54434, 113671, 153289, 203327, 227342, 306578, 406654, 1932407, 3456559, 3864814, 6913118, 14436217, 28872434, 245415689, 490831378]

約数ペア:

[(1, 490831378), (2, 245415689), (17, 28872434), (34, 14436217), (71, 6913118), (127, 3864814), (142, 3456559), (254, 1932407), (1207, 406654), (1601, 306578), (2159, 227342), (2414, 203327), (3202, 153289), (4318, 113671), (9017, 54434), (18034, 27217)]