161475775

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{19997}}^1$

素因数の和:20043

約数の個数: 24

約数和(自身を含む): 223177680

約数和(自身を除く): 61701905

約数列:

[1, 5, 17, 19, 25, 85, 95, 323, 425, 475, 1615, 8075, 19997, 99985, 339949, 379943, 499925, 1699745, 1899715, 6459031, 8498725, 9498575, 32295155, 161475775]

約数ペア:

[(1, 161475775), (5, 32295155), (17, 9498575), (19, 8498725), (25, 6459031), (85, 1899715), (95, 1699745), (323, 499925), (425, 379943), (475, 339949), (1615, 99985), (8075, 19997)]