128464985

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{269}}^1\times {\mathrm{457}}^1$

素因数の和:761

約数の個数: 32

約数和(自身を含む): 178070400

約数和(自身を除く): 49605415

約数列:

[1, 5, 11, 19, 55, 95, 209, 269, 457, 1045, 1345, 2285, 2959, 5027, 5111, 8683, 14795, 25135, 25555, 43415, 56221, 95513, 122933, 281105, 477565, 614665, 1352263, 2335727, 6761315, 11678635, 25692997, 128464985]

約数ペア:

[(1, 128464985), (5, 25692997), (11, 11678635), (19, 6761315), (55, 2335727), (95, 1352263), (209, 614665), (269, 477565), (457, 281105), (1045, 122933), (1345, 95513), (2285, 56221), (2959, 43415), (5027, 25555), (5111, 25135), (8683, 14795)]