51551731

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{167}}^1\times {\mathrm{211}}^1$

素因数の和:415

約数の個数: 32

約数和(自身を含む): 68382720

約数和(自身を除く): 16830989

約数列:

[1, 7, 11, 19, 77, 133, 167, 209, 211, 1169, 1463, 1477, 1837, 2321, 3173, 4009, 12859, 16247, 22211, 28063, 34903, 35237, 44099, 244321, 246659, 308693, 387607, 669503, 2713249, 4686521, 7364533, 51551731]

約数ペア:

[(1, 51551731), (7, 7364533), (11, 4686521), (19, 2713249), (77, 669503), (133, 387607), (167, 308693), (209, 246659), (211, 244321), (1169, 44099), (1463, 35237), (1477, 34903), (1837, 28063), (2321, 22211), (3173, 16247), (4009, 12859)]