247372307

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{38287}}^1$

素因数の和:38378

約数の個数: 16

約数和(自身を含む): 308754432

約数和(自身を除く): 61382125

約数列:

[1, 7, 13, 71, 91, 497, 923, 6461, 38287, 268009, 497731, 2718377, 3484117, 19028639, 35338901, 247372307]

約数ペア:

[(1, 247372307), (7, 35338901), (13, 19028639), (71, 3484117), (91, 2718377), (497, 497731), (923, 268009), (6461, 38287)]