128528118

素因数分解:

$2^1\times 3^2\times {\mathrm{43}}^1\times {\mathrm{211}}^1\times {\mathrm{787}}^1$

素因数の和:1049

約数の個数: 48

約数和(自身を含む): 286668096

約数和(自身を除く): 158139978

約数列:

[1, 2, 3, 6, 9, 18, 43, 86, 129, 211, 258, 387, 422, 633, 774, 787, 1266, 1574, 1899, 2361, 3798, 4722, 7083, 9073, 14166, 18146, 27219, 33841, 54438, 67682, 81657, 101523, 163314, 166057, 203046, 304569, 332114, 498171, 609138, 996342, 1494513, 2989026, 7140451, 14280902, 21421353, 42842706, 64264059, 128528118]

約数ペア:

[(1, 128528118), (2, 64264059), (3, 42842706), (6, 21421353), (9, 14280902), (18, 7140451), (43, 2989026), (86, 1494513), (129, 996342), (211, 609138), (258, 498171), (387, 332114), (422, 304569), (633, 203046), (774, 166057), (787, 163314), (1266, 101523), (1574, 81657), (1899, 67682), (2361, 54438), (3798, 33841), (4722, 27219), (7083, 18146), (9073, 14166)]