71884315

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{167}}^1\times {\mathrm{197}}^1$

素因数の和:411

約数の個数: 32

約数和(自身を含む): 95800320

約数和(自身を除く): 23916005

約数列:

[1, 5, 19, 23, 95, 115, 167, 197, 437, 835, 985, 2185, 3173, 3743, 3841, 4531, 15865, 18715, 19205, 22655, 32899, 72979, 86089, 164495, 364895, 430445, 625081, 756677, 3125405, 3783385, 14376863, 71884315]

約数ペア:

[(1, 71884315), (5, 14376863), (19, 3783385), (23, 3125405), (95, 756677), (115, 625081), (167, 430445), (197, 364895), (437, 164495), (835, 86089), (985, 72979), (2185, 32899), (3173, 22655), (3743, 19205), (3841, 18715), (4531, 15865)]