209401528

素因数分解:

$2^3\times 7^1\times {\mathrm{31}}^1\times {\mathrm{120623}}^1$

素因数の和:120667

約数の個数: 32

約数和(自身を含む): 463196160

約数和(自身を除く): 253794632

約数列:

[1, 2, 4, 7, 8, 14, 28, 31, 56, 62, 124, 217, 248, 434, 868, 1736, 120623, 241246, 482492, 844361, 964984, 1688722, 3377444, 3739313, 6754888, 7478626, 14957252, 26175191, 29914504, 52350382, 104700764, 209401528]

約数ペア:

[(1, 209401528), (2, 104700764), (4, 52350382), (7, 29914504), (8, 26175191), (14, 14957252), (28, 7478626), (31, 6754888), (56, 3739313), (62, 3377444), (124, 1688722), (217, 964984), (248, 844361), (434, 482492), (868, 241246), (1736, 120623)]