207631372

素因数分解:

$2^2\times {\mathrm{13}}^2\times {\mathrm{307147}}^1$

素因数の和:307177

約数の個数: 18

約数和(自身を含む): 393456588

約数和(自身を除く): 185825216

約数列:

[1, 2, 4, 13, 26, 52, 169, 338, 676, 307147, 614294, 1228588, 3992911, 7985822, 15971644, 51907843, 103815686, 207631372]

約数ペア:

[(1, 207631372), (2, 103815686), (4, 51907843), (13, 15971644), (26, 7985822), (52, 3992911), (169, 1228588), (338, 614294), (676, 307147)]